a. Choose the correct sign for the alternative hypothesis. Let ₁ be the average ticket price in Sacramento and 2 be the average ticket price in Cincinnati. Null Ho: 1 = μ2 Alternative Ha: 10 12 Based on the given Excel output, find the following: b. How many data values were used from Sacramento? 20 c. Test Statistic = -4.73884 ✓ (Give answer to at least 4 decimal places.) d. P-value = (Give answer to at least 4 decimal places.) e. At a 10% level of significance, the correct decision is to Reject the null hypothesis
a. Choose the correct sign for the alternative hypothesis. Let ₁ be the average ticket price in Sacramento and 2 be the average ticket price in Cincinnati. Null Ho: 1 = μ2 Alternative Ha: 10 12 Based on the given Excel output, find the following: b. How many data values were used from Sacramento? 20 c. Test Statistic = -4.73884 ✓ (Give answer to at least 4 decimal places.) d. P-value = (Give answer to at least 4 decimal places.) e. At a 10% level of significance, the correct decision is to Reject the null hypothesis
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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I'm stuck on D because I'm having a hard time with P-value.
Transcribed Image Text:ements
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A movie theater company wants to see if the average price of movie tickets in Sacramento is different
from that in Cincinnati.
They randomly sample ticket stubs from Sacramento and from Cincinnati.
Assume the populations of movie ticket prices are normally distributed.
Below is the Excel output for the Two-Sample t test assuming variances are not equal.
t-Test: Two-Sample Assuming Unequal Variances
W
S
Mean
Variance
Observations
Hypothesized Mean
Difference
df
t Stat
P(T<=t) one-tail
t Critical one-tail
P(T<=t) two-tail
t Critical two-tail
F3
E
Sacramento
F4
8.8
D
2.3789473684211
20
0
42
If you see scientific notation (a number followed by E) in the above table, then please watch the how to
read Scientific Notations in Excel or how to read Scientific Notations.
-4.7388414176581
a. Choose the correct sign for the alternative hypothesis.
Let be the average ticket price in Sacramento and wo be the average ticket price in Cincinnati
Et
9
LA T
4
1.237E-5
1.302
2.474E-5
1.6819
C
F5
R
Cincinnati
11.56
F
5.5066666666667
%
5
25
F6
T
V
G
DELL
FB
B
&
7
H
F9
9
N
F10
S
2392
M
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2
W
S
P(T<=t) two-tail
t Critical two-tail
If you see scientific notation (a number followed by E) in the above table, then please watch the how to
read Scientific Notations in Excel or how to read Scientific Notations.
a. Choose the correct sign for the alternative hypothesis.
Let μ₁ be the average ticket price in Sacramento and 2 be the average ticket price in Cincinnati.
1
Null Ho: 1 = 2
Alternative Ha: μ1
c. Test Statistic = -4.73884
d. P-value =
Based on the given Excel output, find the following:
b. How many data values were used from Sacramento? 20
کره
A
F3
2.4/4E-5
1.6819
Et
e. At a 10% level of significance, the correct decision is to Reject the null hypothesis
#m
f. The correct summary would be: There is enough evidence
o to conclude that the
population (or true) average movie ticket prices in Sacramento and Cincinnati are different.
3
E
من
F4
LA T
μ2
(Give answer to at least 4 decimal places.)
✔ (Give answer to at least 4 decimal places.)
F5
R
F
do in
%
5
F6
X
of
T
G
DELL
F7
F8
&
7
F9
U
OF
8
F10
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