In a study of birth order and intelligence, IQ tests were given to 18 - and 19 -year-old men to estimate the size of the difference, if any, between the mean IQs of firstborn sons and secondborn sons. The following data for 10 firstborn sons and 10 secondborn sons are consistent with the means and standard deviations reported in the article. It is reasonable to assume that the samples come from populations that are approximately normal. Can you conclude that the mean IQ of firstborn sons is greater than the mean IQ of secondborn sons? Let μ1 denote the mean IQ of firstborn sons and μ2 denote the mean IQ of secondborn sons. Use the =α0.10 level and the P -value method with the TI-84 Plus calculator. reject or do not reject and is there evicence Firstborn 106 116 116 112 130 123 130 103 128 109 Secondborn 107 120 123 111 102 104 125 95 100 98
In a study of birth order and intelligence, IQ tests were given to 18 - and 19 -year-old men to estimate the size of the difference, if any, between the mean IQs of firstborn sons and secondborn sons. The following data for 10 firstborn sons and 10 secondborn sons are consistent with the means and standard deviations reported in the article. It is reasonable to assume that the samples come from populations that are approximately normal. Can you conclude that the mean IQ of firstborn sons is greater than the mean IQ of secondborn sons? Let μ1 denote the mean IQ of firstborn sons and μ2 denote the mean IQ of secondborn sons. Use the =α0.10 level and the P -value method with the TI-84 Plus calculator. reject or do not reject and is there evicence Firstborn 106 116 116 112 130 123 130 103 128 109 Secondborn 107 120 123 111 102 104 125 95 100 98
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Question
In a study of birth order and intelligence, IQ tests were given to
18
- and
19
-year-old men to estimate the size of the difference, if any, between the
10
firstborn sons and
10
secondborn sons are consistent with the means and standard deviations reported in the article. It is reasonable to assume that the samples come from populations that are approximately normal. Can you conclude that the mean IQ of firstborn sons is greater than the mean IQ of secondborn sons? Let
μ1
denote the mean IQ of firstborn sons and
μ2
denote the mean IQ of secondborn sons. Use the
=α0.10
level and the
P -value method with the TI-84 Plus calculator.
reject or do not reject
and is there evicence
| Firstborn | ||||
|
106
|
116
|
116
|
112
|
130
|
|
123
|
130
|
103
|
128
|
109
|
| Secondborn | ||||
|
107
|
120
|
123
|
111
|
102
|
|
104
|
125
|
95
|
100
|
98
|
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