A data analyst must separate the column shown below into multiple columns for each component of the name:
Which of the following data manipulation techniques should the analyst perform?
Given the following data:
CustomerID
ItemBought
Date
Tre_234
Sofa
2022-09-08
216_Tre
Shoes
08/02/2021
215/Tre
Blanket
2021/06/20
045/Tre
Mug
12-26-2021
Tre-345
Lamp
31/08/2022
TREJD19
Bucket
2022'08/01
Which of the following best describes the main issue in the data set?
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?
Refer to the exhibit.
A customer list from a financial services company is shown below:
A data analyst wants to create a likely-to-buy score on a scale from 0 to 100, based on an average of the three numerical variables: number of credit cards, age, and income. Which of the following should the analyst do to the variables to ensure they all have the same weight in the score calculation?
Randy scored 76 on a math test, Katie scored 86 on a science test, Ralph scored 80 on a history test, and Jean scored 80 on an English test. The table below contains the mean and standard deviation of the scores for each of the courses:
Using this information, which of the following students had the BEST score?
