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 students are working on (bachelor’s, master’s, doctorate) and the total number of units they are taking this term.

Data set: Ch 04 – 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

1. Run descriptive statistics and a histogram with a normal curve for units for the whole data set.

2. Run descriptive statistics and a bar chart for degree for the whole data set.

3. Run descriptive statistics and a histogram with a normal curve for units for bachelor’s degree only.

4. Run descriptive statistics and a histogram with a normal curve for units for master’s degree only.

5. Run descriptive statistics and a histogram with a normal curve for units for doctorate only.