Conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion. K A person randomly selected 100 checks and recorded the cents portions of those checks. The table below lists those cents portions categorized according to the indicated values. Use a 0.025 significance level to test the claim that the four categories are equally likely. The person expected that many checks for whole dollar amounts would result in a disproportionately high frequency for the first category, but do the results support that expectation? 4 Cents portion of check Number 0-24 60 25-49 10 Click here to view the chi-square distribution table. The test statistic is (Round to three decimal places as needed.) 50-74 15 ... 75-99 15

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Chi-square distribution table
Degrees of
Freedom
1
23456TBS9
7
10
0.995
0.010
0.072
0.207
0.412
0.676
0.989
1.344
1.735
2.156
0.99
0.020
0.115
0.297
0.554
0.872
1.239
1.646
2.088
2.558
Area to the Right of the Critical Value
0.975
0.001
0.051
0.216
0.484
0.831
1.237
1.690
2.180
2.700
3.247
0.95
0.004
0.103
0.352
0.711
1.145
1.635
2.167
2.733
3.325
3.940
0.90
0.016
0.211
0.584
1.064
1.610
2.204
2.833
3.490
4.168
4.865
0.10
2.706
4.605
6.251
7.779
9.236
10.645
12.017
13.362
14.684
15.987
X
and
se c
ifican
hole
ort tha
1
Transcribed Image Text:Chi-square distribution table Degrees of Freedom 1 23456TBS9 7 10 0.995 0.010 0.072 0.207 0.412 0.676 0.989 1.344 1.735 2.156 0.99 0.020 0.115 0.297 0.554 0.872 1.239 1.646 2.088 2.558 Area to the Right of the Critical Value 0.975 0.001 0.051 0.216 0.484 0.831 1.237 1.690 2.180 2.700 3.247 0.95 0.004 0.103 0.352 0.711 1.145 1.635 2.167 2.733 3.325 3.940 0.90 0.016 0.211 0.584 1.064 1.610 2.204 2.833 3.490 4.168 4.865 0.10 2.706 4.605 6.251 7.779 9.236 10.645 12.017 13.362 14.684 15.987 X and se c ifican hole ort tha 1
4
Conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion.
K
A person randomly selected 100 checks and recorded the cents portions of those checks. The table below lists those
cents portions categorized according to the indicated values. Use a 0.025 significance level to test the claim that the
four categories are equally likely. The person expected that many checks for whole dollar amounts would result in a
disproportionately high frequency for the first category, but do the results support that expectation?
D
4
Cents portion of check
Number
25-49
10
Click here to view the chi-square distribution table.
0-24
60
The test statistic is
(Round to three decimal places as needed.)
50-74
15
(...
75-99
15
Transcribed Image Text:4 Conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion. K A person randomly selected 100 checks and recorded the cents portions of those checks. The table below lists those cents portions categorized according to the indicated values. Use a 0.025 significance level to test the claim that the four categories are equally likely. The person expected that many checks for whole dollar amounts would result in a disproportionately high frequency for the first category, but do the results support that expectation? D 4 Cents portion of check Number 25-49 10 Click here to view the chi-square distribution table. 0-24 60 The test statistic is (Round to three decimal places as needed.) 50-74 15 (... 75-99 15
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