Do NFL referees call more penalties on the away team than they do on the home team? To investigate this question, the number of penalties called on the away team and home team is recorded for 17 referees during the 2021 NFL season. a. What type of samples - independent or dependent - was taken in this scenario? Explain. Output D = 1 - 2: Mean of the difference between Away and Home Difference Mean Away - Home 4.6470588 2.4568948 16 Std. Error DF b. Use the output above to conduct the appropriate hypothesis test using a significance level of 0.05. (possible p-values: 0.0385, 0.0770, 0.9615) c. Estimate the mean difference in number of penalties called on the away team and home team during NFL games using a 90% confidence interval. d. Do your conclusions in parts b and c agree? Explain how you know