# Question: The Web site sda berkeley edu GSS for the General Social Survey enables

The Web site sda.berkeley.edu/GSS for the General Social Survey enables you to compare means for groups. Compare female and male responses on the question, “What is the ideal number of children for a family to have?” in 2008. Identify CHLDIDEL as the dependent variable, SEX as the row variable, use YEAR (2008) as the selection variable, and check the Summary statistics box.

a. The 677 females who responded had a mean of 3.22 and standard deviation of 1.99. What were the results for males?

b. Report the 95% confidence interval for the difference between the population means for females and males. Interpret.

a. The 677 females who responded had a mean of 3.22 and standard deviation of 1.99. What were the results for males?

b. Report the 95% confidence interval for the difference between the population means for females and males. Interpret.

## Relevant Questions

The 2009 Sleep in America poll of a random sample of 1000 adults reported that respondents slept an average of 6.7 hours on weekdays and 7.1 hours on weekends, and that 28% of respondents got eight or more hours of sleep on ...Refer to the previous exercise. a. Show that the test statistic for H0: μ1 = μ2 equals t = 11.7. If the population means were equal, explain why it would be nearly impossible by random variation to observe this large a ...Refer to the data in the previous exercise. a. Show all steps of a two-sided significance test of the null hypothesis that the population mean is equal for the two groups. Interpret results in context. b. Based on the ...Refer to the previous exercise. a. For the null hypothesis, H0: μ1 = μ2, show that t = 2.62 and the two-sided P-value = 0.059. Interpret. b. What decision would you make in the test, using a (i) 0.05 and (ii) 0.10 ...Several recent studies have suggested that people who suffer from abnormally high blood pressure can benefit from regular exercise. A medical researcher decides to test her belief that walking briskly for at least half an ...Post your question