est the claim that the mean GPA of night students is larger than 2.5 at the .025 significance level. The null and alternative hypothesis would be: H0:μ=2.5H0:μ=2.5 H1:μ>2.5H1:μ>2.5 H0:p=0.625H0:p=0.625 H1:p>0.625H1:p>0.625 H0:μ=2.5H0:μ=2.5 H1:μ≠2.5H1:μ≠2.5 H0:p=0.625H0:p=0.625 H1:p≠0.625H1:p≠0.625 H0:p=0.625H0:p=0.625 H1:p<0.625H1:p<0.625 H0:μ=2.5H0:μ=2.5 H1:μ<2.5H1:μ<2.5 The test is: right-tailed left-tailed two-tailed Based on a sample of 30 people, the sample mean GPA was 2.54 with a standard deviation of 0.07 The test statistic is:  (to 2 decimals) The critical value is:  (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis

Q: Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.005 significance…

A: Given: x¯=2.18s=0.06n=20 Hypothesis: Null hypothesis: H0: μ≥2.2Alternative hypothesis: H1: μ&lt;2.2…

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Q: Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.025 significance…

A: Given that : μ = 2.2 n = 40 X- = 2.16 By using one sample mean test hypothesis to solve this…

Q: You wish to test the following claim (Ha) at a significance level of α=0.002.       Ho:μ1=μ2…

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Q: Test the claim that the mean GPA of night students is smaller than 3.2 at the 0.05 significance…

A: given data sample size (n) = 55sample mean ( x¯ ) = 3.16sample standard deviation (s) =0.06claim : μ…

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Q: H0:μ=76.8H0:μ=76.8       H1:μ≠76.8H1:μ≠76.8

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A: Consider that μ is the mean GPA of all night students.

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Q: You wish to test the following claim (Ha) at a significance level of α=0.02      Ho:μ1=μ2…

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Q: Test the claim that the mean GPA of night students is smaller than 2.6 at the 0.01 significance…

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Q: You believe both populations are normally distributed, but you do not know the standard deviations…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.