The file Baseball Players_2015.xlsx, sheet named Baseball Pl…

The file Baseball Players_2015.xlsx, sheet named Baseball Players, contains salary data on all Major League Baseball players for year 2015. Based on the histogram (see question 6), is Salary skewed positively or negatively   Note: for datafile, see question 1.

According to CBS Money Watch, the average monthly household…

According to CBS Money Watch, the average monthly household cellular phone bill is $100. Suppose monthly household cell phone bills are normally distributed with a standard deviation of $11.35. What is the probability that a randomly selected monthly cell phone bill is more than $110? Round your answer to 3 decimal places. For example, if the answer is 0.52443, enter 0.524

You want to test the null hypothesis that the mean amount sp…

You want to test the null hypothesis that the mean amount spent is less than or equal to $1,400 versus a one-tailed alternative. Which of the following is the p-value for the test? (Because of potential roundoff, choose the closest.) Data file: Data file – Question 4.xlsx