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 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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text: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
69
6
0
10
11
11
10'
12
10
9
10
12
8
8
New York City
10
14
10
13
9
14
12
14
12
9
11
12
Mean
Variance
Observations
Hypothesized Mean
Difference
284
Test Statistic =
p-value =
8
t-Test: Two-Sample Assuming Unequal Variances
14
12
11
13
9
12
7
Check Appver
11
12
14
12
6
Chicago
9.5
2.4736842105263
20
0
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.
42
Ho: 41 = 42
Η; με ον 112
Based on the hypotheses, find the following:
-3.0383993175306
0.00203988
2.4185
0.00407976
2.6981
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
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