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OpenStudy (anonymous):
The mean height of a sample of 15-year-old boys is 175 centimeters, with a standard deviation of 10. For a sample of 15-year-old girls, the mean is 165 centimeters with a standard deviation of 8. If 8 boys and 8 girls were sampled, the standard deviation of the difference is (Blank Box). (Round your answer to the nearest hundredth.)
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OpenStudy (anonymous):
@triciaal Please help if you can :)
OpenStudy (triciaal):
sorry not the best stats person
OpenStudy (triciaal):
@jim_thompson5910
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