The null and alternate hypotheses are: He: H1 H₂ Hy: A random sample of 10 observations from one population revealed a sample mean of 24 and a sample standard deviation of 6.0. A random sample of 8 observations from another population revealed a sample mean of 29 and a sample standard deviation of 7.0. The population standard deviations are unknown but assumed to be equal. At the 0.10 significance level, is there a difference between the population means? Required: a. State the decision rule. Note: Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places. The decision rule is to reject gift or f>

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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b. Compute the pooled estimate of the population variance.
Note: Round your answer to 3 decimal places.
Pooled estimate of the population variance
c. Compute the test statistic.
Note: Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places.
Test statistic
Transcribed Image Text:b. Compute the pooled estimate of the population variance. Note: Round your answer to 3 decimal places. Pooled estimate of the population variance c. Compute the test statistic. Note: Negative amount should be indicated by a minus sign. Round your answer to 3 decimal places. Test statistic
The null and alternate hypotheses are:
He: H1 H₂
Hy: fyz
A random sample of 10 observations from one population revealed a sample mean of 24 and a sample standard deviation of 6.0. A
random sample of 8 observations from another population revealed a sample mean of 29 and a sample standard deviation of 7.0.
The population standard deviations are unknown but assumed to be equal. At the 0.10 significance level, is there a difference between
the population means?
Required:
a. State the decision rule.
Note: Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.
The decision rule is to reject. Hgift<
off>
Check my
Transcribed Image Text:The null and alternate hypotheses are: He: H1 H₂ Hy: fyz A random sample of 10 observations from one population revealed a sample mean of 24 and a sample standard deviation of 6.0. A random sample of 8 observations from another population revealed a sample mean of 29 and a sample standard deviation of 7.0. The population standard deviations are unknown but assumed to be equal. At the 0.10 significance level, is there a difference between the population means? Required: a. State the decision rule. Note: Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places. The decision rule is to reject. Hgift< off> Check my
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