1. Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the claim to be tested?

3.15

3.15

> 3.15

= 3.15

p = 3.15

< 3.15

2.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the null hypothesis?

Ho: = 3.15

Ho: 3.15

Ho: > 3.15

Ho: < 3.15

Ho:P = 3.15

Ho: 3.15

3.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.What is the alternative hypothesis?

H1: < 3.15

H1: 3.15

H1: > 3.15

H1: 3.15

H1: = 3.15

H1: P 3.15

4.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.What type of hypothesis test would this be??

Two Tail

Left Tail

Right Tail

5.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the value of the test statistic?

-2.65

-2.46

2.46

-3.15

4.15

-2.64

6.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the p-value?

1.99

.0071

.0066

.0138

.0069

.9931

7.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the decision?

Reject the Null

Fail to reject the null

8.Is the mean GPA of Broward College students 3.15? In a sample of 850 students at Broward College, the mean GPA was 3.08 and the standard deviation was .83. Using a significance level of .03, test the claim that the mean GPA of BC students is equal to 3.15.

What is the final conclusion?

There is sufficient evidence to warrant rejection of the claim that the the mean GPA of BC students is equal to 3.15.

The sample data supports the claim that the the mean GPA of BC students is equal to 3.15.

There is not sufficient evidence to warrant rejection of the claim that the the mean GPA of BC students is equal to 3.15.

There is not sufficient sample evidence to support the claim that the the mean GPA of BC students is equal to 3.15.

9.What proportion of BC student population own a pet? In a survey of 250 randomly selected student, 65 indicated that they own a pet. Using these results, test the claim that the proportion of BC students that own a pet is at least 25%. Use a .05 significance level.What is the claim in symbolic form?

p = .25

p .25

p < .25

p > .25

p .25

10.What proportion of BC student population own a pet? In a survey of 250 randomly selected student, 65 indicated that they own a pet. Using these results, test the claim that the proportion of BC students that own a pet is at least 25%. Use a .05 significance level.

What is the null hypothesis?

Ho: p < .25

Ho: p = .25

Ho: p .25

Ho: p .25

Ho: p > .15