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Category > Statistics Posted 26 May 2017 My Price 7.00

Females or males have more close friends?

Females or males have more close friends? A recent GSS reported that the 486 surveyed females had a mean of 8.3 close friends (s = 15.6) and the 354 surveyed males had a mean of 8.9 close friends (s = 15.5). a. Estimate the difference between the population means for males and females.

b. The 95% confidence interval for the difference between the population means is 0.6 { 2.1. Interpret.

c. For each gender, does it seem like the distribution of number of close friends is normal? Why? How does this affect the validity of the confidence interval in part b?

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Alpha Geek
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Status NEW Posted 26 May 2017 11:05 AM My Price 7.00

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