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It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is Ho: Median = $70,000. The mean and the standard deviation (respectively) for this test about the median are O 32 & 16 O 33,5 & 16 O 32 & 4 33.5 & 4

It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is Ho: Median = $70,000. The mean and the standard deviation (respectively) for this test about the median are O 32 & 16 O 33,5 & 16 O 32 & 4 33.5 & 4

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is Ho: Median = $70,000. The mean and the standard deviation (respectively) for this test about the median are O 32 & 16 O 33,5 & 16 O 32 & 4 33.5 & 4
Transcribed Image Text:It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is Ho: Median = $70,000. The mean and the standard deviation (respectively) for this test about the median are O 32 & 16 O 33,5 & 16 O 32 & 4 33.5 & 4
Sixteen people were given two types of cereal, Brand X and Brand Y. Two people preferred Brand X and thirteen people preferred Brand Y. We want to determine whether or not customers prefer one brand over the other. The null hypothesis that is being tested is O Họ: p = 0.5 Ο H: μ 0.5 Ο Hg: μ- 8 O Ho: p = 8
Transcribed Image Text:Sixteen people were given two types of cereal, Brand X and Brand Y. Two people preferred Brand X and thirteen people preferred Brand Y. We want to determine whether or not customers prefer one brand over the other. The null hypothesis that is being tested is O Họ: p = 0.5 Ο H: μ 0.5 Ο Hg: μ- 8 O Ho: p = 8
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