Test the claim that the mean GPA of night students is smaller than 2.2 at the 0.005 significance level. The null and alternative hypothesis would be:   H0:μ=2.2H0:μ=2.2 H1:μ≠2.2H1:μ≠2.2 H0:μ≥2.2H0:μ≥2.2 H1:μ<2.2H1:μ<2.2 H0:μ≤2.2H0:μ≤2.2 H1:μ>2.2H1:μ>2.2 H0:p=0.55H0:p=0.55 H1:p≠0.55H1:p≠0.55 H0:p≤0.55H0:p≤0.55 H1:p>0.55H1:p>0.55 H0:p≥0.55H0:p≥0.55 H1:p<0.55H1:p<0.55 The test is:   right-tailed left-tailed two-tailed Based on a sample of 20 people, the sample mean GPA was 2.18 with a standard deviation of 0.06 The test statistic is:  (to 2 decimals) The p-value is:  (to 2 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis Submit Question Question 16

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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…

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Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.01…

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A:

Q: The test is:   left-tailed two-tailed right-tailed The sample consisted of 25 night students,…

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A: given data,claim that the mean GPA of night students is larger than the mean GPA of day students…

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

A: The test hypotheses are: Null hypothesis: H0: μ ≤ 2.2 Alternative hypothesis: H1: μ &gt; 2.2

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A:

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A: n = 30 , df = n-1 = 29

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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: State the hypotheses. That is, there is no evidence to conclude that the mean GPA of night students…

Q: Test the claim that the mean GPA of night students is larger than 3.2 at the 0.025 significance…

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

Q: Test the claim that the mean GPA of night students is larger than 2.1 at the 0.025 significance…

A: Given Mu=2.1 Mean=2.13 Standard deviations=0.04 n=65

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A: See the handwritten solution

Q: Test the claim that the proportion of people who own cats is larger than 10% at the 0.01…

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A: Given Information: Claim: the mean GPA of night students is smaller than 2.3 Significance level…

Q: Test the claim that the mean GPA of night students is significantly different than 3.1 at the 0.1…

A:

Q: Test the claim that the proportion of people who own cats is larger than 10% at the 0.05…

A: Single proportion test

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A:

Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.025…

A:

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Q: Test the claim that the proportion of people who own cats is larger than 70% at the 0.025…

A:

Q: Test the claim that the mean GPA of night students is larger than the mean GPA of day students at…

A: given  n1=25, X1bar=3.43, s1=0.03 n2=30, X2bar=3.38, s2=0.02 we want to test the hypothesis.

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.