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The following frequency distribution shows the price per share for a sample of 30 companies listed on the New York Stock Exchange. Price per Share Frequency $20-29 7 $30-39 4 $40-49 6 $50-59 4 $60-69 5 $70-79 1 $80-89 3 Compute the sample mean price per share and the sample standard deviation
The following frequency distribution shows the price per share for a sample of 30 companies listed on the New York Stock Exchange.
| Price per Share | Frequency | |
| $20-29 | 7 | |
| $30-39 | 4 | |
| $40-49 | 6 | |
| $50-59 | 4 | |
| $60-69 | 5 | |
| $70-79 | 1 | |
| $80-89 | 3 |
Compute the sample mean price per share and the sample standard deviation of the price per share for the New York Stock Exchange companies (to 2 decimals). Assume there are no price per shares between 29 and 30, 39 and 40, etc.
| Sample mean | $ |
| Sample standard deviation | $ |
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