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Determine whether a census is practical in the situation described. Explain your reasoning.
You want to determine the mean weight of all football players in a country.
Mean weight of all football players in a country.
Choose the correct answer below.
a) A census is practical. The population consists of the small number of players in a country in and it is easy to obtain their weights.
b.) A census is not practical. The population consists of the large number of players in a country, and it is not easy to obtain their weights
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Find the compounded amount of an investment of $7,000 at 8% interest, compounded quarterly, for 9 years
Social comparisons and prosocial behavior. To check that a manipulation of social comparison made in the study was effective, Yip and Kelly (2013) computed.
the president of a company that manufactures air conditioners is considering switching his supplier of condensers.
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Twenty one out of 100 randomly selected women said they use seat belts, while 117 out of 180 men said the same. Test the claim that men are more safety conscious than women based one the use of seat belts at a 0.01 level of significance. Construct..
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Can we conclude at the 5% significance level that the population mean weight of athletic men is lower than the population mean weight of non-athletic men?
Use the R commands set.seed(111); hist(runif(100), freq=F) to generate a sample of size 100 from the uniform(0, 1) distribution and to plot its histogram.
Create a 95% confidence interval for true mean.
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