Question

2. The frequency distribution table below summarizes a study that examined the number of times respondents exercised in a month. | Number of Times per Month | Frequency | | :--- | :--- | | 0-4 | 1 | | 5-9 | 3 | | 10-14 | 5 | | 15-19 | 11 | | 20-24 | 9 | a) Draw a histogram for the data. (3 marks) b) Describe the shape of the distribution. (1 mark) c) Determine the weighted mean for this grouped data. (2 marks)

          2. The frequency distribution table below summarizes a study that examined the number of times respondents exercised in a month.
| Number of Times per Month | Frequency |
| :--- | :--- |
| 0-4 | 1 |
| 5-9 | 3 |
| 10-14 | 5 |
| 15-19 | 11 |
| 20-24 | 9 |
a) Draw a histogram for the data. (3 marks)
b) Describe the shape of the distribution. (1 mark)
c) Determine the weighted mean for this grouped data. (2 marks)

2. The frequency distribution table below summarizes a study that examined the number of times respondents exercised in a month.
| Number of Times per Month | Frequency |
| :— | :— |
| 0-4 | 1 |
| 5-9 | 3 |
| 10-14 | 5 |
| 15-19 | 11 |
| 20-24 | 9 |
a) Draw a histogram for the data. (3 marks)
b) Describe the shape of the distribution. (1 mark)
c) Determine the weighted mean for this grouped data. (2 marks)

Added by Andrew W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ahmet Yavas

12/24/2022

Step 1

- Class Intervals: 0-4, 5-9, 10-14, 15-19, 20-24 - Frequencies: 1, 3, 5, 11, 9 Show more…

Show all steps

Thanks for your feedback!

2. The frequency distribution table below summarizes a study that examined the number of times respondents exercised in a month. a) Draw a histogram for the data. (3 marks) b) Describe the shape of the distribution. (1 mark) c) Determine the weighted mean for this grouped data. (2 marks)