Chapter 7Australian football salaries averaged $150,000 with a standard deviation of $80,000 in a recent year. Suppose a sample of 100 football players was taken. What was the standard error for the sample mean salary?Question 12Select one:a.$150,000b.$800,000c.$8,000d.$8 million

Below is a table showing data collected from a population. 12151342981622161612 Calculate the standard deviation.5.375.6211.256.26None of the above

If the standard deviation of the population which is normally distributed is 50 and the sample size is 16 then the standard deviation of the sampling distribution is*11.512.514.513.5

In order to estimate the mean salary for a population of 500 employees, the managing director of a certain company selected at random a sample of 10 employees. We need to use the finite population correction factor in calculating the standard error of the sample mean.Group of answer choicesTrueFalse

Standard Error is used primarily in which of the following?Question 1Answera.Estimating the population mean from the sample mean.b.Determining the range of sample means.c.Calculating the variance of a sample.d.Measuring the effect size of an experiment.

In a sample of 41 U.S. adults aged 18-24 who celebrate Halloween, the mean amount spent on a costume was $43.3 with a standard deviation of $14.9. Round answers to at least 4 decimal places.a) What parameter are we estimating? b) We can work this problem because: c) What is the point estimate of that parameter? d) What is the standard deviation of the sampling distribution for the sample means? e) Find the margin of error for a 90% confidence interval for the true average amount spent on a costume. f) We are 90% confident that the true average amount spent on a Halloween costume for U.S. adults aged 18-24 is between $ and $. Do not round between steps, and round answer to 4 decimal places.