Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district: 114 100 104 89 102 91 114 114 103 105 108 130 120o 132 111 128 118 119 86 72 111 103 74 112 107 103 98 96 112 112 93 These 31 girls are an SRS of all seventh-grade girls in the school district. Suppose that the standard deviation of IQ scores in this population is known to be o 15. We expect the distribution of IQ scores to be close to Normal. Below is the distribution's stemplot. 7 24 69 9 1368 10 023334578 11 1122244489 12 08 13 | 02 True or False: There are no major departures from Normality. O True O False

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district:
114 100
104
89 102
91 114 114 103 105
108 130 120o 132 111 128 118 119
86
72
111 103
74 112 107 103
98
96 112 112 93
These 31 girls are an SRS of all seventh-grade girls in the school district. Suppose that the standard
deviation of IQ scores in this population is known to be o 15. We expect the distribution of IQ
scores to be close to Normal. Below is the distribution's stemplot.
7
24
69
9 1368
10 023334578
11 1122244489
12 08
13 | 02
True or False: There are no major departures from Normality.
O True
O False
Transcribed Image Text:Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district: 114 100 104 89 102 91 114 114 103 105 108 130 120o 132 111 128 118 119 86 72 111 103 74 112 107 103 98 96 112 112 93 These 31 girls are an SRS of all seventh-grade girls in the school district. Suppose that the standard deviation of IQ scores in this population is known to be o 15. We expect the distribution of IQ scores to be close to Normal. Below is the distribution's stemplot. 7 24 69 9 1368 10 023334578 11 1122244489 12 08 13 | 02 True or False: There are no major departures from Normality. O True O False
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