CompTIA DA0-001 Practice Test - Questions Answers, Page 14

An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table below shows the percentage of users in each group who made purchases on the websites:

Which of the following conclusions is accurate at a 95% confidence interval?

An analyst needs to provide a chart to identify the composition between the categories of the survey response data set:

Which of the following charts would be BEST to use?

Five dogs have the following heights in millimeters:

300, 430, 170, 470, 600 Which of the following is the mean height for the five dogs?

Which of the following are reasons to create and maintain a data dictionary? (Choose two.)

A recurring event is being stored in two databases that are housed in different geographical locations. A data analyst notices the event is being logged three hours earlier in one database than in the other database. Which of the following is the MOST likely cause of the issue?

Refer to the exhibit.

Which of the following logical statements results in Table B?

A)

B)

C)

D)

Refer to the exhibit.

Given the diagram below:

Which of the following types of sampling is depicted in the image?

A data analyst has a set with more than 40.000 rows in the sample schema below:

The analyst would like to create one column that contains the customers' birth dates. Which of the following data quality dimensions would BEST explain the reason for compilation?

Given the table below:

Which of the following boxes indicates that a Type Il error has occurred?