Question: Students in a statistics class took their first test. The following are the scores they earned. You need to write a frequency distribution and histogram
Students in a statistics class took their first test. The following are the scores they earned. You need to write a frequency distribution and histogram for the data using a lower class limit of 50 and a class width of 10. You have to describe the shape of the distribution.
| 90 |
| 95 |
| 94 |
| 92 |
| 98 |
| 99 |
| 94 |
| 97 |
| 99 |
| 91 |
| 87 |
| 81 |
| 81 |
| 84 |
| 89 |
| 84 |
| 80 |
| 87 |
| 76 |
| 73 |
| 71 |
| 74 |
| 64 |
| 69 |
| 56 |
b) For this one the class width is given to be the following: class width =
Complete the frequency/relative frequency table using the given class width.
Don't forget to round relative frequencies to 3 decimal places.
| Classes | Frequency | Relative Frequency |
| [50 - ) | ||
| [ - ) | ||
| [ - ) | ||
| [ - ) | ||
| [ - ) |
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