Scenario: Using the following data calculate the standard deviation (s x ) for t
ID: 3358714 • Letter: S
Question
Scenario: Using the following data calculate the standard deviation (sx) for the sampling distribution: (1 point each for a total of 10 points)
Sigma (s or s) =
n =
sx = sigma /n
Question 1.
24
90
Question 2.
16
80
Question 3.
10.8
41
Question 4.
24.1
52
Question 5.
16.3
59
Question 6.
42.5
135
Question 7.
.024
16
Question 8.
1.23
25
Question 9.
15.6
44
Question 10.
1.36
33
Scenario: Using the following data calculate the sampling distribution sigma and the standard score (Z-value) for the sampling distribution: (1 point each for a total of 10 points)
Population Sigma (s)
Sample size = n
x-bar = sample mean
mu = mean
Sampling Distribution sx = sigma /n
Standard Score = Z value
Question 11.
30
11
200
194.7
Question 12.
24
95
182
185
Question 13.
5.6
60
6.25
5.01
Question 14.
19.2
53
65.2
60.1
Question 15.
5.25
63
62.35
64.13
Question 16.
4.25
160
33.14
32.95
Question 17.
0.25
70
5.17
5.11
Question 18.
1.68
50
75.25
74.63
Question 19.
10.3
60
114.25
115.44
Question 20.
0.44
50
6.25
6.35
Scenario: Using the following data calculate the standard deviation (sp) of the sampling distribution using the sample proportion: (1 point each for a total of 10 points)
n
p
sp = p(1-p)/n
Question 21.
95
0.81
Question 22.
35
0.74
Question 23.
55
0.10
Question 24.
60
0.62
Question 25.
46
0.47
Question 26.
126
0.19
Question 27.
110
0.81
Question 28.
246
0.32
Question 29.
40
0.43
Question 30.
108
0.62
Scenario: Using the following data calculate the p-hat, sampling distribution sigma (sp) and the standard score (Z-value) for the sampling distribution: (1 point each for a total of 10 points)
Sample size = n
Number of successes
p-hat
p
Sampling Distribution
sp = p(1-p)/n
Standard Score = Z value
Question 31.
105
80
0.81
Question 32.
129
120
0.95
Question 33.
60
47
0.85
Question 34.
51
39
0.74
Question 35.
90
83
0.90
Question 36.
80
56
0.60
Question 37.
80
47
0.65
Question 38.
75
55
0.81
Question 39.
70
68
0.85
Question 40.
106
99
0.91
Sigma (s or s) =
n =
sx = sigma /n
Question 1.
24
90
Question 2.
16
80
Question 3.
10.8
41
Question 4.
24.1
52
Question 5.
16.3
59
Question 6.
42.5
135
Question 7.
.024
16
Question 8.
1.23
25
Question 9.
15.6
44
Question 10.
1.36
33
Explanation / Answer
Scenario: Using the following data calculate the standard deviation (sx) for the sampling distribution: (1 point each for a total of 10 points)
Sigma (s or s) =
n =
sx = sigma /n
Question 1.
24
90
2.5298
Question 2.
16
80
1.7889
Question 3.
10.8
41
1.6867
Question 4.
24.1
52
3.3421
Question 5.
16.3
59
2.1221
Question 6.
42.5
135
3.6578
Question 7.
.024
16
0.006
Question 8.
1.23
25
0.246
Question 9.
15.6
44
2.3518
Question 10.
1.36
33
0.2367
Scenario: Using the following data calculate the sampling distribution sigma and the standard score (Z-value) for the sampling distribution: (1 point each for a total of 10 points)
Population Sigma (s)
Sample size = n
x-bar = sample mean
mu = mean
Sampling Distribution sx = sigma /n
Standard Score = Z value
Question 11.
30
11
200
194.7
9.0453
0.59
Question 12.
24
95
182
185
2.4623
-1.22
Question 13.
5.6
60
6.25
5.01
0.7230
1.72
Question 14.
19.2
53
65.2
60.1
2.6373
1.93
Question 15.
5.25
63
62.35
64.13
0.6614
-2.69
Question 16.
4.25
160
33.14
32.95
0.3360
0.57
Question 17.
0.25
70
5.17
5.11
0.0299
2.01
Question 18.
1.68
50
75.25
74.63
0.2376
2.61
Question 19.
10.3
60
114.25
115.44
1.3297
-0.89
Question 20.
0.44
50
6.25
6.35
0.0622
-1.61
Scenario: Using the following data calculate the standard deviation (sp) of the sampling distribution using the sample proportion: (1 point each for a total of 10 points)
n
p
sp = p(1-p)/n
Question 21.
95
0.81
0.0402
Question 22.
35
0.74
0.0741
Question 23.
55
0.10
0.0405
Question 24.
60
0.62
0.0627
Question 25.
46
0.47
0.0736
Question 26.
126
0.19
0.0349
Question 27.
110
0.81
0.0374
Question 28.
246
0.32
0.0297
Question 29.
40
0.43
0.0783
Question 30.
108
0.62
0.0467
Scenario: Using the following data calculate the p-hat, sampling distribution sigma (sp) and the standard score (Z-value) for the sampling distribution: (1 point each for a total of 10 points)
Sample size = n
Number of successes
p-hat
p
Sampling Distribution
sp = p(1-p)/n
Standard Score = Z value
Question 31.
105
80
0.76
0.81
0.0383
-1.31
Question 32.
129
120
0.93
0.95
0.0192
-1.04
Question 33.
60
47
0.78
0.85
0.0461
-1.52
Question 34.
51
39
0.76
0.74
0.0614
0.33
Question 35.
90
83
0.92
0.90
0.0316
0.63
Question 36.
80
56
0.70
0.60
0.0548
1.82
Question 37.
80
47
0.59
0.65
0.0533
-1.13
Question 38.
75
55
0.73
0.81
0.0453
-1.77
Question 39.
70
68
0.97
0.85
0.0427
2.81
Question 40.
106
99
0.93
0.91
0.0278
0.72
Sigma (s or s) =
n =
sx = sigma /n
Question 1.
24
90
2.5298
Question 2.
16
80
1.7889
Question 3.
10.8
41
1.6867
Question 4.
24.1
52
3.3421
Question 5.
16.3
59
2.1221
Question 6.
42.5
135
3.6578
Question 7.
.024
16
0.006
Question 8.
1.23
25
0.246
Question 9.
15.6
44
2.3518
Question 10.
1.36
33
0.2367
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