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.)

Question

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.)

anonymous · Answer

@triciaal Please help if you can :)

triciaal · Answer

sorry not the best stats person

triciaal · Answer

@jim_thompson5910