1) the response of the GSS question in 2006 about the number of hours daily spent watching TV, the responses by the seven subjects who identified themselves as Hindus were 2,3,2,1,0,1,4,3. find a point estimate of the population mean for Hindus. The margin of error for this point estimate is 1.1. Explain what this represents.

2) An Associated Press story (March 8, 2006) about a survey commissioned by the American Medical Association of a nationwide random sample of 644 college women or graduates ages 17 to 35 estimated that a proportion of 0.74 of women on Spring Break use drinking as an excuse for outrageous behavior. including public nudity and dancing on tables. Find the standard error of this estimate. and interpret.

3) In 2006. the Florida poll conducted by Florida International University asked whether current environmental regulations are too strict or not too strict. Of 1200 respondents. 229 said they were too strict. Find and interpret a (a) 95%. (b) 99% confidence interval for a relevant parameter at the time of survey.

4) A GSS asked. "What do you think is the ideal number of children for a family to have? the 497 female who responded had a median of 2, mean of 3.02 and standard deviation of 1.81

(a) Report the point estimate of the population mean.

(b) find and interpret the standard error of the sample mean.

(c) The 95% confidence interval is (2.9, 3.2). Interpret.

(d) Is it plausible that the population mean =2.0? explain

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