You recruit a group of people who agree to report their total email counts (sent + received) for 30 days. Each participant also completed a survey regarding his or her employment status (Full-time, Part-time, Unemployed).
Data set: Ch 03 – Exercise 07.sav
Codebook
Variable: Employ
Definition: Employment status
Type: Categorical (1 = Full-time, 2 = Part-time, 3 = Unemployed).
Variable: Emails
Definition: Total number of emails sent and received for 30 days
Type: Continuous
a. Run descriptive statistics and a histogram with a normal curve for Emails for the whole data set.
b. Run descriptive statistics and a bar chart for Employ for the whole data set.

c. Run descriptive statistics and a histogram with a normal curve for Emails for Full-time only.
d. Run descriptive statistics and a histogram with a normal curve for Emails for Part-time only.
e. Run descriptive statistics and a histogram with a normal curve for Emails for Unemployed only.