DA0-001 試験問題を無料オンラインアクセス

Which of the following is a KPI metric for tracking sales performance?

• A.Customer acquisition percentage
• B.Click-through rate percentage
• C.Order status percentage
• D.Gross profit percentage

An analyst develops an IT document and needs to describe the technical terms used in the document. Which of the following is where the analyst should include descriptions of the technical terms?

• A.System diagram
• B.Glossary
• C.Index
• D.User requirements

A data analyst for a media company needs to determine the most popular movie genre. Given the table below:

Which of the following must be done to the Genre column before this task can be completed?

• A.Delimit
• B.Concatenate
• C.Merge
• D.Append

Andy is a pricing analyst for a retailer. Using a hypothesis test, he wants to assess whether people who receive electronic coupons spend more on average.
What should Andy's null hypothesis be?

• A.People who receive electronic coupons spend more on average.
• B.People who receive electronic coupons spend less on average.
• C.People who receive electronic coupons do not spend more on average.
• D.People who do not receive electronic coupons spend more on average.

Which of the following best describes a 95% confidence interval?

• A.There is a 95% probability that a sample is within one standard deviation of the mean.
• B.A stated range may contain 95% of the population mean, 95% of the time.
• C.A set of ranges contains the population mean with 95% certainty.
• D.A range contains 95% of the population mean.