Question
Calculate the mean and standard deviation of the discrete probability distribution (round to 3 decimal places when necessary): xx 3-4 5-6 7-8 9-10 11-12 13-14
Calculate the mean and standard deviation of the discrete probability distribution (round to 3 decimal places when necessary):
xx | 3-4 | 5-6 | 7-8 | 9-10 | 11-12 | 13-14 | 15-16 | 17-18 |
|---|---|---|---|---|---|---|---|---|
P(x)P(x) | 035035 | 935935 | 535535 | 435435 | 135135 | 735735 | 635635 | 335335 |
Hint: Use the midpoints for each interval of xx-values.
| Mean: | |
| Standard Deviation: |
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