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Sullivan Survey Choose any quantitative variable from the
Chapter 3, Problem 37E(choose chapter or problem)
Problem 37E
Sullivan Survey Choose any quantitative variable from the Sullivan Survey. Draw a histogram of the data. Determine the mean and the median. Based on the mean, median, and histogram, describe the shape of the distribution. Which measure of central tendency better describes the “center” of the distribution?
Questions & Answers
QUESTION:
Problem 37E
Sullivan Survey Choose any quantitative variable from the Sullivan Survey. Draw a histogram of the data. Determine the mean and the median. Based on the mean, median, and histogram, describe the shape of the distribution. Which measure of central tendency better describes the “center” of the distribution?
ANSWER:
Solution:
Step 1 of 3:
Here we have to choose ‘age’ as the quantitative variable from the Sullivan Survey.
That is,
Class intervals |
Frequency |
15-20 |
3 |
20-25 |
1 |
25-30 |
9 |
30-35 |
4 |
35-40 |
6 |
40-45 |
7 |
45-50 |
8 |
50-55 |
1 |
55-60 |
1 |
We have to draw a histogram of ‘age’ quantitative variable.
From the excel:
- Insert the data in excel sheet.
- Go to insert and select a column chart.