Exercise 4.1 A survey was conducted in Professor Lamm’s class and Professor Milner’s class. The question that students responded to is, “How many siblings do you have?”

Data set: Ch 04 - Exercise 01.sav Codebook Variable: class Definition: Class designation Type: Categorical (1 = Prof. Lamm, 2 = Prof. Milner)

Variable: siblings Definition: Number of siblings Type: Continuous 1. Run descriptive statistics and a histogram with a normal curve for siblings for the whole data set.

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

3. Run descriptive statistics and a histogram with a normal curve for siblings for members of Professor Lamm’s class only.

4. Run descriptive statistics and a histogram with a normal curve for siblings for members of Professor Milner’s class only