A local bookstore arranges book counter in different schools around the year. The CEO says that, compare to last year, the number of orders received in school has been dropped this year. The table below shows the number of orders received in a random sample of 14 schools in this year and last year. School 1 3 4 6. 7 8. 9 10 11 12 13 14 This year 85 35 96 45 33 52 67 77 45 67 43 76 80 65 Last year 92 38 93 81 42 50 61 89 56 63 49 65 92 81 Test, at 5% level of significance, is there sufficient evidence to conclude that the CEO's statement is correct. (The test report must include (i) null hypothesis and alternative hypothesis, (ii) rejection region, (iii) calculation of test statistics, and (iv) conclusion.)

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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A local bookstore arranges book counter in different schools around the year. The CEO says that, compare
to last year, the number of orders received in school has been dropped this year. The table below shows the
number of orders received in a random sample of 14 schools in this year and last year.
School
1
3
4
6.
8.
9.
10
11
12
13
14
This
year
85
35
96
45
33
52
67
77
45
67
43
76
80
65
Last year
92
38
93
81
42
50
61
89
56
63
49
65
92
81
Test, at 5% level of significance, is there sufficient evidence to conclude that the CEO's statement is correct.
(The test report must include (i) null hypothesis and alternative hypothesis, (ii) rejection region, (iii)
calculation of test statistics, and (iv) conclusion.)
Transcribed Image Text:A local bookstore arranges book counter in different schools around the year. The CEO says that, compare to last year, the number of orders received in school has been dropped this year. The table below shows the number of orders received in a random sample of 14 schools in this year and last year. School 1 3 4 6. 8. 9. 10 11 12 13 14 This year 85 35 96 45 33 52 67 77 45 67 43 76 80 65 Last year 92 38 93 81 42 50 61 89 56 63 49 65 92 81 Test, at 5% level of significance, is there sufficient evidence to conclude that the CEO's statement is correct. (The test report must include (i) null hypothesis and alternative hypothesis, (ii) rejection region, (iii) calculation of test statistics, and (iv) conclusion.)
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