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A team of business analysts observe operations at a retail center.They count the number of customers visiting this center within 30 minute periods. The following
A team of business analysts observe operations at a retail center.They count the number of customers visiting this center within 30 minute periods. The following table the sample counts:
46 | 100 | 144 | 36 | 95 | 53 | 71 | 46 | 84 | 50 |
72 | 140 | 138 | 56 | 24 | 127 | 96 | 22 | 145 | 49 |
123 | 137 | 57 | 142 | 149 | 23 | 106 | 40 | 48 | 129 |
133 | 139 | 89 | 81 | 136 | 24 | 28 | 60 | 43 | 89 |
6. You are asked to summarize and create a frequency distribution for this data. Using the 2k>n rule, what is the minimum number of classes you can create for this data?
- 4
- 5
- 6
- 7
7. What is the estimated class width?
- Greater than 15 but less than or equal to 16
- Greater than 21 but less than or equal to 22
- Greater than 27 but less than or equal to 28
- Greater than 30 but less than or equal to 31
8.Organize the data as required and prepare descriptive statistics using excel descriptive statistic to answer the following:
- The data is normally distributed with a Skewness value of 1.0
- The data is negatively skewed with a Skewness value of -1.481
- The data is positively skewed with a Skewness value of 42.99
- The data is positively skewed with a Skewness value of 0.118
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