You are interested in finding out how many units students are enrolled in. You conduct a survey of 40 students and record two pieces of information: the degree (level) the student is working on (bachelor’s, master’s, doctorate) and total number of units he or she is taking this term.
Data set: Ch 03 – Exercise 05.sav
Codebook
Variable: Degree
Definition: Highest degree the person has
Type: Categorical (1 = Bachelor’s, 2 = Master’s, 3 = Doctorate)
Variable: Units
Definition: Current number of enrolled units
Type: Continuous
a. Run descriptive statistics and a histogram with a normal curve for Units for the whole data set.
b. Run descriptive statistics and a bar chart for Degree for the whole data set.

c. Run descriptive statistics and a histogram with a normal curve for Units for Bachelor’s degree only.
d. Run descriptive statistics and a histogram with a normal curve for Units for Master’s degree only.
e. Run descriptive statistics and a histogram with a normal curve for Units for Doctorate only.