Suppose we want to compare the true mean number of violent acts per prime-time hour between ABC and FOX. What is the population parameter of interest? What is the notation for the parameter? Give a point estimate for the parameter. (2) Suppose the estimated standard error of the point estimate from its bootstrap distribution is 1.4. Give a 95% confidence interval for the population parameter and interpret the confidence interval. (3) The National Coalition on Television Violence claims that shows on ABC are more violent than on FOX. Based on the confidence intervals from part (2), do you agree with this conclusion? Explain.
The McClatchy News Service reported on a sample of prime-time television hours. The
following table summarizes the information reported for two networks.
Network Mean Number of Violent Acts per Hour
ABC 15.6
FOX 11.7
Suppose that each of these sample means was computed on the basis of viewing n = 50 randomly
selected prime-time hours.
(1) Suppose we want to compare the true mean number of violent acts per prime-time hour
between ABC and FOX. What is the population parameter of interest? What is the notation
for the parameter? Give a point estimate for the parameter.
(2) Suppose the estimated standard error of the point estimate from its bootstrap distribution is
1.4. Give a 95% confidence interval for the population parameter and interpret the
confidence interval.
(3) The National Coalition on Television Violence claims that shows on ABC are more violent
than on FOX. Based on the confidence intervals from part (2), do you agree with this
conclusion? Explain.
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