An economist is interested in the variability of hourly wages at a production plant. She collects data on 50 hourly wage earners. Use the accompanying Excel Data File for this exercise. E Click here for the Excel Data File a. Select the competing hypotheses to test whether the variance of hourly wages exceeds 35 ($2). Họ: o2 s 35; Hạ: o2 > 35 Họ: o2 = 35; Ha: o² * 35 Ho: o 2 35; HẠ: o < 35 b. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) Test statistic
An economist is interested in the variability of hourly wages at a production plant. She collects data on 50 hourly wage earners. Use the accompanying Excel Data File for this exercise. E Click here for the Excel Data File a. Select the competing hypotheses to test whether the variance of hourly wages exceeds 35 ($2). Họ: o2 s 35; Hạ: o2 > 35 Họ: o2 = 35; Ha: o² * 35 Ho: o 2 35; HẠ: o < 35 b. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) Test statistic
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text:An economist is interested in the variability of hourly wages at a production plant. She collects data on 50 hourly wage earners. Use
the accompanying Excel Data File for this exercise.
E Click here for the Excel Data File
a. Select the competing hypotheses to test whether the variance of hourly wages exceeds 35 ($2).
Ho: o s 35; Hạ: o2 > 35
Ho: o2
3 35; На: ot # 35
Ho:
o2 > 35; HA: o² < 35
b. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3
decimal places.)
Test statistic
Transcribed Image Text:Hourly Wage EDUC EXPER AGE
Gender
2
37.85
11
2.
1
3
21.72
4
1
39
4
14.34
4
38
21.26
53
24.65
15
59
7
25.65
36
8.
15.45
45
20.39
4
37
10
29.13
14
37
1
11
27.33
11
3
43
12
18.02
8
32
13
20.39
18
40
1
14
24.18
7
1
49
1
15
17.29
4
10
43
16
15.61
31
17
35.07
22
45
18
40.33
3
31
19
20.39
14
20
16.61
6
30
1
21
16.33
28
22
23.15
6
15
60
23
20.39
4
13
24
14.88
4
58
1
25
13.88
4
28
26
17.65
6
40
1
27
15.45
6
2.
37
28
26.35
4
18
52
1
29
19.15
6
4
44
30
16.61
4
57
31
18.39
3
30
1
32
15.45
8
43
33
18.02
7
31
1
13.44
4
3
33
35
17.66
6
23
51
1
36
16.96
4
15
37
37
14.34
4
38
15.45
6
3
39
17.43
14
57
40
35.89
16
36
41
20.39
4
20
1
42
11.81
4
43
15.45
10
34
44
17.66
4
28
45
13.87
6
1
46
16.35
7
10
47
15.45
42
48
23.67
17
47
49
16.02
11
46
1
50
23.15
4
15
52
51
24.18
8
11
64
52
1.
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nn7 D O n4 00 n m N 7624
9 4 m m5 nm4
6 3E 2
O m3 N
244
2.
252N
2.
146
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