Question
In: Statistics and Probability
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day they took a very similar IQ test B. Their scores are shown in the table below.
Person A B C D E F G H I J
Test A 123 97 112 89 103 94 74 119 85 105
Test B 122 100 110 89 102 92 73 121 87 104
The test statistic is _
The critical value is_
Construct a 99% confidence interval for the mean of the differences. Again, use (Test A - Test B). _< μ < _
Solutions
Expert Solution
for test A we have calculated mean and standard deviation.
now for test B
please like ??
orchestra answered 2 years agoRelated Solutions
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person
A
B
C
D
E
F
G
H
I
J
Test A
81
105
91
116
102
74
95
122
99
112
Test B
84
105
89
122
103
77
98
122
102
116
1. Consider (Test A - Test B). Use a 0.050.05 significance level to
test the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below. Person A B C D E F G H I J Test A 71 119 104 100 108
127 83 97 94 92 Test B 72 119 110 105 106 130 85 100 92 91 1.
Consider (Test A - Test B). Use a 0.05 0.05 significance level to
test the claim...
Ten randomly selected people took an IQ test A. The next day they took a very...
Ten randomly selected people took an IQ test A. The next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person
1
2
3
4
5
6
7
8
9
10
Test A
106
99
95
92
87
127
115
100
77
108
Test B
112
101
99
96
90
130
112
99
80
112
1. Use a 0.05 significance level to test the claim that, on
average, people do better on...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person
A
B
C
D
E
F
G
H
I
J
Test A
98
107
110
118
125
79
95
101
84
91
Test B
100
106
114
118
124
77
98
99
83
89
1. Consider (Test A - Test B). Use a 0.050.05 significance level to
test the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B.
Their scores are shown in the table below.
Person A B C D E F G H I J
Test A 106 120 113 75 83 103 111 93 89 99
Test B 104 119 116 78 82 108 108 92 91 98
1. Consider (Test A - Test B). Use a 0.01 significance level to
test the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below. Person A B C D E F G H I J Test A 71 84 105 99 93 119
101 126 108 90 Test B 72 86 107 102 92 120 106 128 107 95 1.
Consider (Test A - Test B). Use a 0.01 significance level to test
the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below. Person A B C D E F G H I J Test A 100 120 117 107 102
81 90 94 74 112 Test B 102 119 122 105 102 83 95 92 72 109 1.
Consider (Test A - Test B). Use a 0.01 significance level to test
the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person A B C D E F G H I J
Test A 98 108 76 82 94 89 127 119 101 108
Test B 97 114 77 82 98 94 129 121 103 106
1. Consider (Test A - Test B). Use a 0.01
0.01
(a) What test method should be...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person
A
B
C
D
E
F
G
H
I
J
Test A
95
89
124
105
99
114
108
73
103
84
Test B
99
91
123
110
99
119
105
72
106
86
1. Consider (Test A - Test B). Use a 0.01 significance level to
test the claim that...
Ten randomly selected people took an IQ test A, and next day they took a very...
Ten randomly selected people took an IQ test A, and next day
they took a very similar IQ test B. Their scores are shown in the
table below.
Person
A
B
C
D
E
F
G
H
I
J
Test A
119
81
75
125
95
90
106
97
102
109
Test B
116
84
78
125
99
90
106
96
104
113
1. Consider (Test A - Test B). Use a 0.050.05 significance level to
test the claim that...
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