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1. The population distribution requirement for this test is: O None since this is a Z-test O Need a normally distributed population since n, and n2 < 30 O Need a normally distributed population since this is a T-test O None since n, and n2 2 30 The hypotheses are: O Ho:p1 2 p2; Ha:pi < p2 O Ho:pi < p2; Ha:p1 > p2 O Ho:µ1 < H2; Ha:µ1 > H2 O Ho:p1 = p2; Ha:p1 p2 O Ho:µ1 = 42; Ha: µ1 + p2 O Ho:µ1 2 P2; Ha: µ1 < µ2 %3D 2. This is a O leftO rightO two tailed test and the distribution used is Z since testing two proportions Z since both o values are known OT since both o values are not known The Degrees of Freedom are O 31 ON/A; this is a Z-test

1. The population distribution requirement for this test is: O None since this is a Z-test O Need a normally distributed population since n, and n2 < 30 O Need a normally distributed population since this is a T-test O None since n, and n2 2 30 The hypotheses are: O Ho:p1 2 p2; Ha:pi < p2 O Ho:pi < p2; Ha:p1 > p2 O Ho:µ1 < H2; Ha:µ1 > H2 O Ho:p1 = p2; Ha:p1 p2 O Ho:µ1 = 42; Ha: µ1 + p2 O Ho:µ1 2 P2; Ha: µ1 < µ2 %3D 2. This is a O leftO rightO two tailed test and the distribution used is Z since testing two proportions Z since both o values are known OT since both o values are not known The Degrees of Freedom are O 31 ON/A; this is a Z-test

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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Test the claim that 4i is different than 42. A random sample of size 31 yields 1 = 18.25 and a random sample of size 33 yields 2 = 18.9. Use a = 0.01, and assume that o = 1.3 for both populations. 1. The population distribution requirement for this test is: O None since this is a Z-test ONeed a normally distributed population since n1 and n2 < 30 O Need a normally distributed population since this is a T-test O None since n, and n2 > 30 The hypotheses are: O Ho:pi 2 p2; Ha:pi < p2 O Ho:p1 < p2; Ha:p1 > p2 Ο Ho: μι < μ; Ha: μι > μ O Ho:p1 = p2; Ha:p1 P2 Ο Ho: μι μ; Ha: μ μ2 O Ho:p 2 12; Ha:µ1 < µ2 2. This is a O leftO rightO two tailed test and the distribution used is OZ since testing two proportions OZ since both o values are known OT since both o values are not known The Degrees of Freedom are O 31 ON/A; this is a Z-test 13 MacBook Air esc F1 20 700 O0O F4 F5 %23 24 & 4. 5 7 9- R
Transcribed Image Text:Test the claim that 4i is different than 42. A random sample of size 31 yields 1 = 18.25 and a random sample of size 33 yields 2 = 18.9. Use a = 0.01, and assume that o = 1.3 for both populations. 1. The population distribution requirement for this test is: O None since this is a Z-test ONeed a normally distributed population since n1 and n2 < 30 O Need a normally distributed population since this is a T-test O None since n, and n2 > 30 The hypotheses are: O Ho:pi 2 p2; Ha:pi < p2 O Ho:p1 < p2; Ha:p1 > p2 Ο Ho: μι < μ; Ha: μι > μ O Ho:p1 = p2; Ha:p1 P2 Ο Ho: μι μ; Ha: μ μ2 O Ho:p 2 12; Ha:µ1 < µ2 2. This is a O leftO rightO two tailed test and the distribution used is OZ since testing two proportions OZ since both o values are known OT since both o values are not known The Degrees of Freedom are O 31 ON/A; this is a Z-test 13 MacBook Air esc F1 20 700 O0O F4 F5 %23 24 & 4. 5 7 9- R
The Degrees of Freedom are O 31 ON/A; this is a Z-test O 30 3. The STS (round to 3 decimals) is: The P-value (round to 4 decimals) is: 4. The decision at a = 0.01 is: O Reject Ho since P < a O Reject Ho since P > a O Do not reject Ho since P < a Do not reject Ho since P > a The conclusion is: O There is insufficient evidence to reject the claim that u is different than uz O There is insufficient evidence to support the claim that µ is different than u2 O There is sufficient evidence to support the claim that µi is different than u2 O There is sufficient evidence to reject the claim that u is different than uz Submit Question 13 MacBook esc
Transcribed Image Text:The Degrees of Freedom are O 31 ON/A; this is a Z-test O 30 3. The STS (round to 3 decimals) is: The P-value (round to 4 decimals) is: 4. The decision at a = 0.01 is: O Reject Ho since P < a O Reject Ho since P > a O Do not reject Ho since P < a Do not reject Ho since P > a The conclusion is: O There is insufficient evidence to reject the claim that u is different than uz O There is insufficient evidence to support the claim that µ is different than u2 O There is sufficient evidence to support the claim that µi is different than u2 O There is sufficient evidence to reject the claim that u is different than uz Submit Question 13 MacBook esc
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