Which of the following are the values of the chi-square statistic and P-value? Find the chi-square table here. O x = 1.18, P-value > 0.05 O x = 2.48, P-value > 0.05 O x = 4.65, P-value < 0.10 O x? = 12.50, P-value < 0.10
Which of the following are the values of the chi-square statistic and P-value? Find the chi-square table here. O x = 1.18, P-value > 0.05 O x = 2.48, P-value > 0.05 O x = 4.65, P-value < 0.10 O x? = 12.50, P-value < 0.10
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:A cashier at large retail store selects a random sample of 75 customers from her checkout line. For each
customer, she records the amount of the purchase and whether they use cash or credit to pay. She would like to
know if there is convincing evidence that the amount spent is associated with type of payment. Let a = 0.05. The
observed and expected counts are displayed in the tables.
Observed counts:
Amount Spent
Less than $20
Between $20 and
$50
More than $50
Cash
18
8
Payment
Credit
14
20
6
Expected counts:
Amount Spent
Between $20 and
$50
Less than $2o
More than $50

Transcribed Image Text:Credit
14
20
Expected counts:
Amount Spent
Less than $20
Between $20 and
$50
More than $50
Cash
14.9
13.5
6.5
Payment
Credit
17.1
15.5
7.5
Which of the following are the values of the chi-square statistic and P-value?
Find the chi-square table here.
x² = 1.18, P-value > 0.05
O x = 2.48, P-value > 0.05
O x = 4.65, P-value < 0.10
O x = 12.50, P-value < 0.10
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