In 2002 General Social Survey asked, "what do you think is the ideal number of children for a family to have?" The 30 females who responded had a mean of 3.08 and a standard deviation of 1.91.
a) Are the conditions met by his data to calculate a 90% confidence interval for the population mean? Explain
b) Regardless of what your answer to part (a) is, compute a 90% interval for the population mean.
c) How many females should be sampled in order to get a 95% confidence interval with a margin of error .50
Get Answers For Free
Most questions answered within 1 hours.