A customer's telephone number is in the format 123-456-7890. Which of the following data types is used for the phone number?
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?
An analyst wants to combine two data sets into a single spreadsheet. Column names from the first spreadsheet are listed in rows in the second spreadsheet. Which of the following is the first step the analyst should take to combine the data sets?
Amanda needs to create a dashboard that will draw information from many other data sources and present it to business leaders.
Which one of the following tools is least likely to meet her needs?
Which of the following summary statements upholds integrity in data reporting?
Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?
A data analyst needs to write a SOL query measuring last month's website visits and distribute a summary report to the marketing team. Which of the following is the analyst creating?
Mario works with a group of R programmers tasked with copying data from an accounting system into a data warehouse.
In what phase are the group's R skills most relevant?
Given the following data set:
Which of the following is the best reason for cleansing the data?
