# Test the claim that the mean G

Test the claim that the mean GPA of night students is smaller than 2.5 at the .05 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: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
H0:μ=2.5H0:μ=2.5
H1:μ<2.5H1:μ<2.5

The test is:

right-tailed
two-tailed
left-tailed

Based on a sample of 35 people, the sample mean GPA was 2.46 with a standard deviation of 0.03

The test statistic is:  (to 2 decimals)

The critical value is:  (to 2 decimals)

Based on this we:

• Fail to reject the null hypothesis
• Reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is larger than 3.5 at the 0.01 significance level.

The null and alternative hypothesis would be:

H0:p≤0.875H0:p≤0.875
H1:p>0.875H1:p>0.875
H0:μ≥3.5H0:μ≥3.5
H1:μ<3.5H1:μ<3.5
H0:μ=3.5H0:μ=3.5
H1:μ≠3.5H1:μ≠3.5
H0:p≥0.875H0:p≥0.875
H1:p<0.875H1:p<0.875
H0:μ≤3.5H0:μ≤3.5
H1:μ>3.5H1:μ>3.5
H0:p=0.875H0:p=0.875
H1:p≠0.875H1:p≠0.875

The test is:

two-tailed
left-tailed
right-tailed

Based on a sample of 30 people, the sample mean GPA was 3.51 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:

• Fail to reject the null hypothesis
• Reject the null hypothesis
Question HelpQuestion 2:

• Message Message instruct

# Test the claim that the mean G

Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the 0.01 significance level.

The null and alternative hypothesis would be which one:

H0:pN=pD
H1:pN<pD

H0:pN=pD
H1:pN>pD

H0:μN=μD
H1:μN>μD

H0:μN=μD
H1:μN<μD

H0:μN=μD
H1:μN≠μD

H0:pN=pD
H1:pN≠pD
The test is:

two-tailed
right-tailed
left-tailed

The sample consisted of 60 night students, with a sample mean GPA of 2.3 and a standard deviation of 0.04, and 60 day students, with a sample mean GPA of 2.34 and a standard deviation of 0.02.

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

# Test the claim that the mean G

Test the claim that the mean GPA of night students is smaller than 3.3 at the .025 significance level.

The null and alternative hypothesis would be:

H0:μ=3.3 H1:μ≠3.3

H0:p=0.825 H1:p≠0.825

H0:μ=3.3 H1:μ<3.3

H0:p=0.825 H1:p<0.825

H0:μ=3.3 H1:μ>3.3

H0:p=0.825 H1:p>0.825

The test is:

two-tailed
right-tailed
left-tailed

Based on a sample of 80 people, the sample mean GPA was 3.28 with a standard deviation of 0.08

The test statistic is: (to 2 decimals)

The critical value is: (to 2 decimals)

Based on this we:

• Fail to reject the null hypothesis
• Reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than 2.1 at the 0.01 significance level.

The null and alternative hypothesis would be:

1. H0:μ≥2.1
H1:μ<2.1
2. H0:μ=2.1
H1:μ≠2.1
3. H0:p=0.525
H1:p≠0.525
4. H0:p≤0.525
H1:p>0.525
5. H0:μ≤2.1
H1:μ>2.1
H0:p≥0.525
H1:p<0.525

The test is:?????

left-tailed
right-tailed
two-tailed

Based on a sample of 80 people, the sample mean GPA was 2.15 with a standard deviation of 0.02

The test statistic is:  (to 2 decimals)???TI-84

The p-value is:  (to 2 decimals)????TI-84

Based on this we:????

• Reject the null hypothesis
• Fail to reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than 2 at the 0.05 significance level.

The null and alternative hypothesis would be:

H0:p≥0.5 H1:p<0.5

H0:p≤0.5 H1:p>0.5

H0:μ≤2 H1:μ>2

H0:p=0.5 H1:p≠0.5

H0:μ≥2 H1:μ<2

H0:μ=2 H1:μ≠2

The test is:

left-tailed
right-tailed
two-tailed

Based on a sample of 30 people, the sample mean GPA was 2.05 with a standard deviation of 0.07

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

# Test the claim that the mean G

Test the claim that the mean GPA of Orange Coast students is significantly different than the mean GPA of Coastline students at the 0.1 significance level.

The null and alternative hypothesis would be:

H0:pO≤pCH0:pO≤pC
H1:pO>pCH1:pO>pC
H0:pO=pCH0:pO=pC
H1:pO≠pCH1:pO≠pC
H0:pO≥pCH0:pO≥pC
H1:pO<pCH1:pO<pC
H0:μO=μCH0:μO=μC
H1:μO≠μCH1:μO≠μC
H0:μO≥μCH0:μO≥μC
H1:μO<μCH1:μO<μC
H0:μO≤μCH0:μO≤μC
H1:μO>μCH1:μO>μC

The test is:

left-tailed
right-tailed
two-tailed

The sample consisted of 80 Orange Coast students, with a sample mean GPA of 2.73 and a standard deviation of 0.08, and 80 Coastline students, with a sample mean GPA of 2.68 and a standard deviation of 0.05.

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

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than 3.5 at the 0.05 significance level.

The null and alternative hypothesis would be:

H0:μ≤3.5H0:μ≤3.5
H1:μ>3.5H1:μ>3.5
H0:p≤0.875H0:p≤0.875
H1:p>0.875H1:p>0.875
H0:μ≥3.5H0:μ≥3.5
H1:μ<3.5H1:μ<3.5
H0:μ=3.5H0:μ=3.5
H1:μ≠3.5H1:μ≠3.5
H0:p≥0.875H0:p≥0.875
H1:p<0.875H1:p<0.875
H0:p=0.875H0:p=0.875
H1:p≠0.875H1:p≠0.875

The test is:

right-tailed
two-tailed
left-tailed

Based on a sample of 50 people, the sample mean GPA was 3.48 with a standard deviation of 0.07

The test statistic is:  (to 2 decimals)

The p-value is:  (to 2 decimals)

Based on this we:

• Fail to reject the null hypothesis
• Reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.1 significance level.

The null and alternative hypothesis would be:

H0:μN=μDH0:μN=μD
H1:μN≠μDH1:μN≠μD

The sample consisted of 40 night students, with a sample mean GPA of 3.29 and a standard deviation of 0.03, and 40 day students, with a sample mean GPA of 3.32 and a standard deviation of 0.06.

The test statistic is:  (to 2 decimals)

The p-value is:  (to 2 decimals)

H0:μN=μDH0:μN=μD
H1:μN≠μDH1:μN≠μD

and what functions to use on my ti84 to find the answers

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than 3.3 at the 0.1 significance level.

The null and alternative hypothesis would be:

H0:p=0.825H0:p=0.825
H1:p≠0.825H1:p≠0.825
H0:p=0.825H0:p=0.825
H1:p>0.825H1:p>0.825
H0:p=0.825H0:p=0.825
H1:p<0.825H1:p<0.825
H0:μ=3.3H0:μ=3.3
H1:μ≠3.3H1:μ≠3.3
H0:μ=3.3H0:μ=3.3
H1:μ<3.3H1:μ<3.3
H0:μ=3.3H0:μ=3.3
H1:μ>3.3H1:μ>3.3

The test is:

two-tailed
right-tailed
left-tailed

Based on a sample of 60 people, the sample mean GPA was 3.33 with a standard deviation of 0.03

The test statistic is:  (to 2 decimals)

The positive critical value is:  (to 2 decimals)

Based on this we:

• Reject the null hypothesis
• Fail to reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is significantly different than 2.7 at the 0.04 significance level.

The null and alternative hypotheses would be:

H0:μ=2.7H0:μ=2.7
H1:μ≠2.7H1:μ≠2.7
H0:p=0.675H0:p=0.675
H1:p>0.675H1:p>0.675
H0:p=0.675H0:p=0.675
H1:p<0.675H1:p<0.675
H0:μ=2.7H0:μ=2.7
H1:μ>2.7H1:μ>2.7
H0:p=0.675H0:p=0.675
H1:p≠0.675H1:p≠0.675
H0:μ=2.7H0:μ=2.7
H1:μ<2.7H1:μ<2.7

The test is:

left-tailed
two-tailed
right-tailed

Based on a sample of 30 people, the sample mean GPA was 2.66 with a standard deviation of 0.16

The p-value is:  (to 3 decimals)

The positive significance level is:  (to 2 decimals)

Based on this we:

• Reject the null hypothesis
• Fail to reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is smaller than 2.5 at the .05 significance level.

The null and alternative hypothesis would be:

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
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:μ=2.5H0:μ=2.5
H1:μ<2.5H1:μ<2.5

The test is:

right-tailed
two-tailed
left-tailed

Based on a sample of 55 people, the sample mean GPA was 2.49 with a standard deviation of 0.05

The test statistic is:  (to 2 decimals)

The critical value is:  (to 2 decimals)

Based on this we:

• Fail to reject the null hypothesis
• Reject the null hypothesis

# Test the claim that the mean G

Test the claim that the mean GPA of night students is larger than 2.3 at the .10 significance level.

The null and alternative hypothesis would be:

A.)
H0:p=0.575H0:p=0.575
H1:p<0.575H1:p<0.575

b.)
H0:p=0.575H0:p=0.575
H1:p≠0.575H1:p≠0.575
c.)
H0:p=0.575H0:p=0.575
H1:p>0.575H1:p>0.575

d.)
H0:μ=2.3H0:μ=2.3
H1:μ≠2.3H1:μ≠2.3

e.)
H0:μ=2.3H0:μ=2.3
H1:μ>2.3H1:μ>2.3

f.)
H0:μ=2.3H0:μ=2.3
H1:μ<2.3H1:μ<2.3

The test is:

a.)left-tailed
b.)right-tailed
C.)two-tailed

Based on a sample of 75 people, the sample mean GPA was 2.35 with a standard deviation of 0.05

The test statistic is: (to 2 decimals)=

The critical value is: (to 2 decimals)=

Based on this we:

A.)Reject the null hypothesis

B.)Fail to reject the null hypothesis

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