A. What is the null hypothesi✔ [Select] B. What is the alternative hyp At least two of the three schools have equal population mean student IQ At least two of the three schools have unequal population mean student IQ All of the three schools have unequal population mean student IQ All of the three schools have equal population mean student IQ B. What is the alternative hypothesi C. What is the value of the test stati [Select] At least two of the three schools have equal population mean student IQ All of the three schools have equal population mean student IQ All of the three schools have unequal population mean student IQ At least two of the three schools have unequal population mean student IQ C. What is the value of the test statisti✓ [Select] 3.0522 3.1944 9.7500 9.8812 D. What is the critical value? [Select]

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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Answer Letter A B C only choices provided in pic.

It is of interest to determine if there is a significant difference in population
mean IQ among students from three different schools, at 0.01 level of
significance. Following are IQ data from four randomly-selected students from
each of the three schools.
School H
100
100
102
104
School I
103
104
105
106
School J
100
101
104
104
A. What is the null hypothesis? [Select]
B. What is the alternative hypothesis? [Select]
C. What is the value of the test statistic? [Select]
D. What is the critical value? [Select]
E. What is the appropriate conclusion? [Select]
Transcribed Image Text:It is of interest to determine if there is a significant difference in population mean IQ among students from three different schools, at 0.01 level of significance. Following are IQ data from four randomly-selected students from each of the three schools. School H 100 100 102 104 School I 103 104 105 106 School J 100 101 104 104 A. What is the null hypothesis? [Select] B. What is the alternative hypothesis? [Select] C. What is the value of the test statistic? [Select] D. What is the critical value? [Select] E. What is the appropriate conclusion? [Select]
A. What is the null hypothesi✓ [Select]
B. What is the alternative hyp
At least two of the three schools have equal population mean student IQ
At least two of the three schools have unequal population mean student IQ
All of the three schools have unequal population mean student IQ
All of the three schools have equal population mean student IQ
B. What is the alternative hypothesi✔ [ Select]
C. What is the value of the test stati
At least two of the three schools have equal population mean student IQ
All of the three schools have equal population mean student IQ
All of the three schools have unequal population mean student IQ
At least two of the three schools have unequal population mean student IQ
C. What is the value of the test statisti✓ [Select]
3.0522
3.1944
9.7500
9.8812
D. What is the critical value? [Select]
Transcribed Image Text:A. What is the null hypothesi✓ [Select] B. What is the alternative hyp At least two of the three schools have equal population mean student IQ At least two of the three schools have unequal population mean student IQ All of the three schools have unequal population mean student IQ All of the three schools have equal population mean student IQ B. What is the alternative hypothesi✔ [ Select] C. What is the value of the test stati At least two of the three schools have equal population mean student IQ All of the three schools have equal population mean student IQ All of the three schools have unequal population mean student IQ At least two of the three schools have unequal population mean student IQ C. What is the value of the test statisti✓ [Select] 3.0522 3.1944 9.7500 9.8812 D. What is the critical value? [Select]
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