Crunch MSR Practice Test

These questions are part of the practice quiz. Start practicing

• What best describes a race condition in concurrent programming?
• How does ELT differ from ETL in processing data?
• Given a p-value of 0.03 and alpha of 0.05, what conclusion should be drawn?
• In dataset [3, 7, 7, 7, 12], what is the mode?
• If the power goes out, what should you do first?
• Which term describes the probability of correctly rejecting a false null hypothesis?
• In a contract, what is a limitation of liability clause?
• If a dataset has mean 100 and median 110, what does this suggest about the distribution?
• In binary classification, which formula yields the F1 score?
• If a base plus member upgrades to peak and then downgrades back to base, do they keep access to group training classes?
• In OAuth 2.0, what is the purpose of the Authorization Code flow?
• Which of the following techniques can mitigate a cache stampede?
• Why is statelessness desirable in a microservices architecture?
• Which of the following statements about a positively skewed distribution is true?
• Can cancellation via phone, fax, or email be used to cancel a membership?
• Which statement distinguishes a primary key from a unique key in relational databases?
• How many times can a guest use a VIP pass?
• When a non-member asks for membership, what is the appropriate response?
• What does ROC AUC measure in binary classification?
• What is the net profit if cost is 500 and revenue is 650?
• What is a materialized view and when would you use one?
• Which statistic represents the most frequently occurring value in a dataset?
• If a member joined before December 31, 2019, how many days in advance must they cancel to avoid the annual maintenance fee?
• How much is the refund for any prepaid members after 3 months of membership?
• A line chart shows quarterly sales: Q1=50, Q2=80, Q3=70, Q4=90. What is the net change from Q2 to Q4?
• Which action is NOT part of the emergency response when someone passes out?
• The annual maintenance fee pays for which of the following?
• If a dataset's standard deviation is zero, which statement is true?
• Which metric is defined as TP divided by (TP + FP)?
• In binary classification, how do precision and recall differ?
• What is the dotFIT discount range offered to Trainers?
• In a medical emergency where someone passes out, what is the immediate action staff should take?
• A time series has a seasonality of 4 quarters. What is seasonality?
• Is it acceptable for a member to pay cash every month as long as payments are on time?
• What is the first thing you say to a person who walks in and says I just joined online?
• If a 95% confidence interval for a mean has margin of error 4, what is the half-width of the interval?
• What is the role of a service mesh in microservices?
• What distinguishes strong consistency from eventual consistency in distributed systems?
• Can someone use a VIP pass from out of town?
• Can a non-member cancel their spouse's membership if proof of names and addresses is provided?
• The annual maintenance fee is due how many days after enrollment?
• If two events are mutually exclusive, what is P(A or B)?
• In reading comprehension, what is an inference?
• What is the employee discount on drinks?
• Which group is allowed to use the group exercise room audio equipment?
• In data interpretation, what is an outlier and how might it affect analysis?
• Which technique can mitigate race conditions?
• In a dataset of 25 values, approximately how many values lie above the 75th percentile?
• If the power goes out at a club, can base members use any other Crunch normal club until the power is restored?
• EMV is best described as a decision criterion that combines monetary outcomes with what?
• What is a Type I error in hypothesis testing?
• What is the monthly childcare fee for additional children?
• What are the perks of the Peak Results guest?
• If the probability of an event is 0.25, what are the odds in favor?
• If 60% of a class passes an exam and 50 students take the exam, how many fail?
• Which statement correctly describes peak member guest usage?
• What is the recommended action if a member refuses to follow policy and ignores staff?
• Can members cancel via phone, fax, or email if they provide their membership number?
• What is the MSR's job for the first 30 minutes of every shift, and what position do you clock in as in Ulti-Pro?
• Which statement best describes descriptive statistics?
• If fixed costs are 120, variable cost per unit is 40, and price per unit is 70, what is the break-even quantity?
• Which model accounts for non-independence in repeated measurements by including both fixed effects and random effects?
• What is the guest fee for someone with a hotel pass?
• What is the upgrade to Peak for a base prepaid member?
• What is the expected value (mean) of a single fair six-sided die roll?
• What is the minimum age to tan at the facility?
• Vertical partitioning is best described as partitioning data by which dimension?
• What is our cancellation fee?
• What is cross-site scripting (XSS) and a common mitigation?
• In decision analysis, what is the EMV of an option with payoffs {100 with probability 0.2; -50 with probability 0.8}?
• Can peak guests use tanning, hydro, and classes?
• What is the minimum age of children eligible for childcare?
• Which algorithm is an example of symmetric encryption?
• Which statement about cancellation timing is true for joiners before and after December 31, 2019?
• Which statement accurately describes the age and parental form requirement for minors joining?
• In password hashing, what is the role of a salt when applying a key derivation function?
• Why is feature normalization important in many machine learning algorithms?
• Why is index optimization important for read-heavy workloads?
• ETL is a data integration process. What does ETL stand for?
• Which facilities are inaccessible to peak guests?
• What is garbage collection in managed runtimes?
• If a member joined after December 31, 2019, how many days before the next monthly payment must they cancel to avoid charges?
• What is the purpose of the minimum viable product concept in product development?
• If a classifier has high precision but low recall, what does that indicate about its predictions?
• What are Peak Results Members' GUESTS privileges?
• Which statement about normalization is incorrect?
• Who is allowed to use the group exercise room audio equipment?
• A scatter plot shows a high positive linear relationship. How would you expect the data points to appear?
• Which CRISP-DM step directly follows Data Preparation?
• In a service mesh, which feature is not typically provided?
• What is the difference between a population and a sample?
• Who receives a dotFIT discount in the 30-50% range?
• Can a guest enroll their friends without the person present?
• What is the difference between a mean and a trimmed mean?
• In experimental design, what is the purpose of randomization?
• Define overfitting and how cross-validation helps detect it.
• Which statement best describes idempotence in an API context?
• Which of the following is one of the six steps in the CRISP-DM data mining process?
• How does a binary search tree maintain sorted order during insertion?
• Before the next monthly payment is withdrawn, how many days must a member cancel to avoid being charged (for those who joined before December 31, 2019)?
• Which statement best describes eventual consistency in a distributed system?
• Which statement best defines vertical scaling?
• Which steps should be included in the emergency response if someone passes out in the gym?
• For a 13-17 minor, what documents must be filled and copied?
• What is Monte Carlo simulation used for?
• An odds ratio of 2.0 for exposure and outcome implies what about the exposure?
• A dataset has a standard deviation of 0. Which statement best describes the data?
• What do you enter or change in MoSo for a member that joined online?
• What is the recommended procedure if a member is misbehaving and management is not available?
• A company's revenue grows from 250 thousand to 350 thousand over two years. What is the compound annual growth rate (CAGR) approximately?
• If an API operation is idempotent, what is the expected behavior when a request is retried after a failure?
• What is the purpose of timestamps or versioning in distributed systems?
• Can a Peak Plus Results guest attend Camp Crunch with the Peak Plus Results member?
• A dataset contains outliers. Which measure of central tendency is least affected by them?
• Do Corporate Crunch members get to use Franchise clubs?
• Which statement about L1 regularization is correct?
• What do you explain to a new member that joins online?
• In hypothesis testing, what does a p-value represent?
• In a scatter plot with a negative slope, what does this indicate about the relationship between the variables?
• Which item is included in the explanation given to online joiners?
• Which statement correctly distinguishes symmetric and asymmetric encryption?
• For a 13- to 17-year-old minor, what documents must be completed and what copies are required?
• Which of the following are listed reasons for not allowing workout bags on the gym floor?
• Name three regularization techniques and their effect.
• A fair six-sided die is rolled. What is the probability of an even result?
• What is the purpose of a control chart in statistical process control?
• Can a non-member cancel their spouse's membership?
• Which statement is true about audio equipment usage within the group exercise room?
• In classification, which statement correctly defines precision and recall?
• What does statistical power measure?
• What is overfitting in model training?
• In a multiple-choice question, how should you approach questions you don't know?
• What is the recommended course of action if a member or guest starts yelling at you?
• What is the procedure for opening if you call the other clubs and no one answers the phone?
• If a dataset's skewness is positive, what does that indicate?
• Which concept involves storing the result of a query to speed up subsequent reads, especially for heavy aggregations?
• Which SOLID principle states that high-level modules should not depend on low-level modules; both should depend on abstractions?
• Which practice is typically used to improve read performance by duplicating data in relational databases?
• A scatter plot shows a linear trend with slope -3. What does this slope indicate?
• What is the monthly childcare fee for the first child?
• Is a parent allowed to bring in their child if the child is 12 years old?
• To cancel a spouse's membership, what must be shown?
• How does the principle of least privilege apply to API design?
• What is a Type I error vs a false positive in a real-world test?
• What is the monthly cost for additional children in childcare after the first child?
• In a normal distribution with mean 20 and standard deviation 4, what is the z-score for value 12?
• A dataset contains repeated measurements with a violation of independence. Name a method to handle this in analysis.
• In the event of a policy-related confrontation, what is the final action if the individual will not leave?
• Which strategy helps avoid deadlocks?
• What distinguishes a graph path from a cycle?
• In a dataset with outliers, which statistic best represents the center of the data?
• Do franchise members get to use Crunch Corporate Clubs?
• Which approach reduces concurrency-related bugs by avoiding shared mutable state?
• Can a member join on a month-to-month basis without putting a card on file if they are consistent with their payments?
• Which statement about a primary key in a relational database is true?
• Which statement best describes the purpose of a control chart in monitoring a process?
• Can a Peak member bring a Base member as their Peak guest?
• During a power outage, if power does not return within 15 minutes, what should you do?
• What is the final stage of the CRISP-DM data mining process?
• What document is required for a guest to enroll a spouse or children without the person present?
• In a dataset with the values 2, 4, 4, 7, 9, what is the mode?
• What is the difference between READ COMMITTED and READ UNCOMMITTED isolation levels?
• Which statement about caching in distributed systems is true?
• What is the employee price for child care under staff discounts?
• Which statement about outliers is true?
• If a sample size is doubled, what happens to the standard error of the mean, assuming population standard deviation remains constant?
• If a dataset shows an odds ratio of 2.0 for exposure and outcome, what does this imply?
• What is the purpose of a key derivation function (KDF) in password storage?
• For dataset [1, 2, 4, 4, 6, 8], what is the median?
• Who is allowed to cancel a spouse's membership with proof that names/addresses match?
• Which statement correctly describes directed versus undirected graphs?
• A project has a payoff distribution with outcomes {A: 100, probability 0.2; B: -50, probability 0.8}. What is the expected value?
• What is a deadlock?
• What are SOLID principles and name one?
• What is a circuit breaker pattern and when should you apply it?
• What statement best describes the card-on-file requirement for month-to-month memberships?
• A dataset [2, 5, 5, 7, 9]. What is the median?
• Which statement best defines latency versus throughput?
• Which statement describes base members' ability to use another Crunch club during a power outage?
• What is the purpose of normalization in data preprocessing?
• What are the perks of the Peak Results guest?
• Who determines the $4.95 credit for upgrading to Peak for a base prepaid member?
• What is a cache stampede?
• Which option is NOT a direct component of a confusion matrix?
• What is exponential backoff used for in retry logic?
• Which of the following is true about minor policies for ages 13-17?
• What is fuzz testing and what does it help uncover?
• In hypothesis testing, what is a Type II error?
• Is it permissible to leave underage children unattended in the lobby?
• If two independent events each have probability 0.5, what is the probability that both occur?
• Explain normalization vs denormalization in relational databases.
• Which metric measures recall?
• What is the minimum age to be a member without a parent present?
• In a normal distribution with mean 100 and standard deviation 15, what is the z-score of the value 115?
• What is the IQR of the dataset consisting of the numbers 1 through 9?
• How does a stack determine the order in which elements are removed?
• What is a confidence interval for a mean?
• If correlation coefficient r = 0.9 between two variables, what does this indicate about their relationship?
• Compare synchronous vs asynchronous processing.
• What should you do if a non-member shows up looking for a member in the club?
• Can a peak member bring in a guest from out of town to any Crunch normal club?
• Peak Members can bring two guests at a time as long as they are family.
• What is the difference between a population parameter and a sample statistic?
• Which statement accurately reflects the employee discount on multiple items including retail, drinks, dotFIT, and child care?
• In the dataset 2, 4, 4, 7, 9, what is the median?
• Horizontal partitioning (sharding) is best described as partitioning data by which dimension?
• How many months can a member pay with cash or check before paying the payment-handling fee?
• What are the perks for the Peak Plus membership?
• How much commission do MSRs earn for selling dotFIT, and is there a minimum sale requirement?
• Which problem describes a model that captures noise in the training data and performs poorly on new data?
• Which statement about statelessness enables easy horizontal scaling?
• During a power outage, base members may use another Crunch normal club until power is restored. True or false?
• What is the mean of the data set 4, 8, 12, 16, 20?
• Can a guest enroll their spouse and children without them present?
• If a project has a cost of 500 and a revenue of 650, what is net profit?
• How many times is the annual maintenance fee explained to a new member?
• Which items are included in the Peak Plus membership perks?
• Can a member cancel their spouse's membership?
• Can members use the group exercise room audio equipment?
• If a time series shows seasonality with a four-quarter cycle, what is the length of the seasonal cycle?
• Inferential statistics are primarily used to do what?
• If a member moves out of town and did not cancel their membership, how would they go about canceling?
• How should you handle a member who is dropping weights, placing their feet on walls or abusing gym equipment when an on-duty manager is unavailable?
• When is it ok for guest to use tanning, hydro, or classes?
• When is the annual maintenance fee due?