A movie theater company wants to see if there is a difference in the average price of movie tickets in Chicago and New York City. They sample 20 ticket stubs from Chicago and 25 from New York City. Test the claim using a 1% level of significance. Assume the population variances are unequal and that movie ticket prices are normally distributed. Give answer to at least 4 decimal places. Chicago 9 9 7 11 10 10 8 9 6 10 11 11 10- 12 10 9 10 12 8 8 Mean Variance New York City 10 14 10 13 9 14 12 14 12 t-Test: Two-Sample Assuming Unequal Variances Observations Hypothesized Mean Difference 9 11 12 8 14 12 11 13 9 12 7 11 12 14 12 6 p-value = Chicago 9.5 2.4736842105263 20 0 42 df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Choose the correct sign for the alternative hypothesis. -3.0383993175306 0.00203988 2.4185 0.00407976 2.6981 Ho: 141 = 142 H₁: ?V 112 Based on the hypotheses, find the following: Test Statistic = New York City 11.24 5.1066666666667 25 The correct decision is to Select an answer The correct summary would be: Select an answer difference between the average movie ticket prices in Chicago and New York City. that there is a

A researcher is interested in finding the mean and median lengths of all walleye in a lake. A Sample of 300 walleye was caught and their lengths were recorded. The sample mean and median lengths were found to be 28 inches and 33 inches.   a. What is the experimental unit in this experiment?   b. What are the population and sample in this experiment?   c. What are the parameters considered in this experiment?   d. What are the statistics in this experiment?

Please provide step-by-step calculation with formula.

Please answers questions a through d. Thank you!