Question: please help me answer this A. For items 1 - 4, refer to the problem below. A data set has a mean of 75 and
please help me answer this
A. For items 1 - 4, refer to the problem below.
A data set has a mean of 75 and a standard deviation of 11.5. Find the z-score for each of the following.
1.) x = 85 *
2 points
80.47
80.48
0.86
0.87
Other:
2.) x = 95 *
2 points
88.47
88.48
1.73
1.74
Other:
3.) x = 50 *
2 points
-2.17
2.17
43.48
-43.38
Other:
4.) x = 75 *
2 points
0.00
1.00
1.50
2.00
Other:
B. For items 5 -8, refer to the problem below.
A data set has a mean of 212 and a standard deviation of 40. Find the z-score for each of the following.
5.) x = 200 *
2 points
0.30
0.33
-0.30
-0.33
Other:
6.) x = 224 *
2 points
0.29
0.30
-0.29
-0.30
Other:
7.) x = 300 *
2 points
2.02
2.22
2.20
2.19
Other:
8.) x = 100 *
2 points
2.80
2.08
-2.08
-2.80
Other:
C. For numbers 9 - 12, refer to the problem below.
A data set has a mean of 75 and a standard deviation of 37. Find the data value/score given the z-score.
9.) z = 1.54 *
2 points
131.98
131.89
56.98
56.89
Other:
10.) z = 0.61 *
2 points
-52.43
-53.43
97.57
97.75
Other:
11.) z = -0.98 *
2 points
27.84
37.84
38.72
38.74
Other:
12.) z = -1.95 *
2 points
2.85
-72.15
-2.85
72.15
Other:
D. For numbers 13 - 16, refer to the problems below.
Find the mean of a particular data set given the z - score, standard deviation and data value/score.
A. For items 1 - 4, refer to the problem below.
A data set has a mean of 75 and a standard deviation of 11.5. Find the z-score for each of the following.
1.) x = 85 *
2 points
80.47
80.48
0.86
0.87
Other:
2.) x = 95 *
2 points
88.47
88.48
1.73
1.74
Other:
3.) x = 50 *
2 points
-2.17
2.17
43.48
-43.38
Other:
4.) x = 75 *
2 points
0.00
1.00
1.50
2.00
Other:
B. For items 5 -8, refer to the problem below.
A data set has a mean of 212 and a standard deviation of 40. Find the z-score for each of the following.
5.) x = 200 *
2 points
0.30
0.33
-0.30
-0.33
Other:
6.) x = 224 *
2 points
0.29
0.30
-0.29
-0.30
Other:
7.) x = 300 *
2 points
2.02
2.22
2.20
2.19
Other:
8.) x = 100 *
2 points
2.80
2.08
-2.08
-2.80
Other:
C. For numbers 9 - 12, refer to the problem below.
A data set has a mean of 75 and a standard deviation of 37. Find the data value/score given the z-score.
9.) z = 1.54 *
2 points
131.98
131.89
56.98
56.89
Other:
10.) z = 0.61 *
2 points
-52.43
-53.43
97.57
97.75
Other:
11.) z = -0.98 *
2 points
27.84
37.84
38.72
38.74
Other:
12.) z = -1.95 *
2 points
2.85
-72.15
-2.85
72.15
Other:
D. For numbers 13 - 16, refer to the problems below.
Find the mean of a particular data set given the z - score, standard deviation and data value/score.
13.) z = 1.24; s = 3.5; x = 23 *
2 points
41.66
27.34
18.66
12.67
Other:
14.) z = -0.8; s = 15; x = 84 *
2 points
180
96
72
64
Other:
15.) z = 2; s = 8; x =39 *
2 points
23
62
55
16
16.) z = -3.05; s = 20; x = 115 *
2 points
176
291
54
61
E. For numbers 17 - 20, refer to the problem below.
Find the standard deviation of a particular data set given the z - score, mean and data value/score.
17.) z = -0.05; x = 90; x = 85 *
2 points
90
100
120
150
Other:
18.) z = 1.26; x = 32; x = 41 *
2 points
7.14
9
10.26
12
Other:
19.) z = 2.18; x = 1.4; x = 2.1 *
2 points
0.33
0.32
0.70
2.88
Other:
20.) z = -0.95; x = 310; x = 276 *
2 points
34
35.78
35.79
36
Other:
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