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Mobile App Chapter 2: Q. 2.61 (page 68)
In Exercises 2.60-2.71. we have presented some quantitative data sets and specified a grouping method for practicing the concepts. For each data set,
a. determine a frequency distribution
b. obtain a relative-frequency distribution.
c. construct a frequency histogram based on your result from part (a).
d. construct a relative-frequency histogram based on your result
from part (b).
Use single-value grouping.
Short Answer
Part a. The frequency distribution is given as
| Number | Tally | Frequency |
| 1 | || | 2 |
| 2 | || | 2 |
| 3 | ||||| | 5 |
| 4 | | | 1 |
Part b. The relative frequency distribution is given as
| Number | Frequency | Relative Frequency |
| 1 | 2 | |
| 2 | 2 | |
| 3 | 5 | |
| 4 | 1 | |
| Total | 10 | 1 |
Part c. The frequency histogram is given as
Part d. The relative frequency histogram is given as
Step by step solution
Part (a) Step 1. Given Information
We are given a quantitative data set.
Part (a) Step 2. Frequency Distribution
The data consists of four numbers . So using single value grouping its frequency distribution is given as
| Number | Tally | Frequency |
| 1 | || | 2 |
| 2 | || | 2 |
| 3 | ||||| | 5 |
| 4 | | | 1 |
Part (b) Step 1. Relative frequency distribution
The relative frequency distribution for the given data is given as
| Number | Frequency | Relative Frequency |
| 1 | 2 | |
| 2 | 2 | |
| 3 | 5 | |
| 4 | 1 | |
| Number | 10 | 1 |
Part (c) Step 1. Frequency histogram
The frequency histogram for the frequency distribution can be given as
Part (d) Step 1. Relative frequency histogram
The relative-frequency histogram for the relative-frequency distribution can be given as
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