Test the claim that the mean temperature (in degrees F) in Santa Maria is different than 70.8. A random sample of temperatures at 34 locations yields a mean temperature of 70.5. Use a = 0.01, and assume that o = 1.1. 1. The sample size restriction for this test is: O None needed since population is normally distributed O Need at least 5 successes and 5 failures O Need n 2 30 The hypotheses are: O Ho:p = 70.8; Ha:p # 70.8 O Ho:u = 70.8; Ha:µ # 70.8 %3D O Ho:u 2 70.8; Ha:u < 70.8 O Ho:p 2 70.8; Ha:p < 70.8 O Ho:u <70.8; Ha:µ > 70.8 O Ho:p < 70.8; Ha:p > 70.8 2. This is a O twoO rightO left tailed test and the distribution used is OZ since o known OT since o not known OZ since testing a proportion The Degrees of Freedom are O 34 O 33 ON/A since this is a Z-test
Test the claim that the mean temperature (in degrees F) in Santa Maria is different than 70.8. A random sample of temperatures at 34 locations yields a mean temperature of 70.5. Use a = 0.01, and assume that o = 1.1. 1. The sample size restriction for this test is: O None needed since population is normally distributed O Need at least 5 successes and 5 failures O Need n 2 30 The hypotheses are: O Ho:p = 70.8; Ha:p # 70.8 O Ho:u = 70.8; Ha:µ # 70.8 %3D O Ho:u 2 70.8; Ha:u < 70.8 O Ho:p 2 70.8; Ha:p < 70.8 O Ho:u <70.8; Ha:µ > 70.8 O Ho:p < 70.8; Ha:p > 70.8 2. This is a O twoO rightO left tailed test and the distribution used is OZ since o known OT since o not known OZ since testing a proportion The Degrees of Freedom are O 34 O 33 ON/A since this is a Z-test
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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 Do not reject Ho since P < a
O Do not reject Ho since P > a
O Reject Ho since P < a
O Reject Ho since P > a
The conclusion is:
O There is insufficient evidence to support the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is sufficient evidence to support the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is sufficient evidence to reject the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is insufficient evidence to reject the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
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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 Do not reject Ho since P < a
O Do not reject Ho since P > a
O Reject Ho since P < a
O Reject Ho since P > a
The conclusion is:
O There is insufficient evidence to support the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is sufficient evidence to support the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is sufficient evidence to reject the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
O There is insufficient evidence to reject the claim that the mean temperature in Santa Maria is
different than 70.8 degrees
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Test the claim that the mean temperature (in degrees F) in Santa Maria is different than 70.8. A random
sample of temperatures at 34 locations yields a mean temperature of 70.5. Use a = 0.01, and assume that
O = 1.1.
1. The sample size restriction for this test is:
O None needed since population is normally distributed
O Need at least 5 successes and 5 failures
O Need n > 30
The hypotheses are:
O Ho:p = 70.8; Ha:p # 70.8
Ο Ho:μ - 70.8; Ha: μ # 70.8
Ο Ho: μ 70.8 ; Ha:μ < 70.8
O Ho:p > 70.8; Ha:p < 70.8
Ο Ho: μ 70.8 ; Ha: μ > 70.8
O Ho:p < 70.8; Ha:p > 70.8
2. This is a O twoO rightO left tailed test and the distribution used is
OZ since o known
OT since o not known
OZ since testing a proportion
The Degrees of Freedom are
O 34
O 33
ON/A since this is a Z-test"
Transcribed Image Text:e.instructure.com/courses/21
44607
A Maps
67 Translate
Test the claim that the mean temperature (in degrees F) in Santa Maria is different than 70.8. A random
sample of temperatures at 34 locations yields a mean temperature of 70.5. Use a = 0.01, and assume that
O = 1.1.
1. The sample size restriction for this test is:
O None needed since population is normally distributed
O Need at least 5 successes and 5 failures
O Need n > 30
The hypotheses are:
O Ho:p = 70.8; Ha:p # 70.8
Ο Ho:μ - 70.8; Ha: μ # 70.8
Ο Ho: μ 70.8 ; Ha:μ < 70.8
O Ho:p > 70.8; Ha:p < 70.8
Ο Ho: μ 70.8 ; Ha: μ > 70.8
O Ho:p < 70.8; Ha:p > 70.8
2. This is a O twoO rightO left tailed test and the distribution used is
OZ since o known
OT since o not known
OZ since testing a proportion
The Degrees of Freedom are
O 34
O 33
ON/A since this is a Z-test
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