A data analyst receives a flat file that includes dates. The analyst needs to calculate the number of days from the dates on the file to the current date. Which of the following is the best way to complete this task?
Which of the following is the best language to use in a notebook?
Due to new reporting requirements, a data analyst must add new classification codes to historical dat
a. Which of the following is the best technique for this task?
Given the following table:
ID Value
1 1.5
2 24.456
3 113
Which of the following data types should an analyst use for the numeric values in the Value column?
A marketing firm wants to find the average age of its consumers to better promote its products. Given the following dataset:
Name
Date of birth
Age
Jane
March 24
34
John
July 17
11
Joe
November 29
29
Ann
December 13
14
Robert
December 14
63
Which of the following is the mean of the consumer ages?