The mean exam score for 43 male high school students is 22.3 and the population standard deviation is 4.7. The mean exam score for 53 fémale High 20.9 and the population standard deviation is 4.3. At a = 0.01, can you reject the claim that male and female high school students have equal exam scores? Complete parts (a) through (e). Click here to view page 1 of the standard normal distribution table, Click here to view page 2 of the standard normal distribution table. ... (a) Identify the claim and state Ho and Ha. What is the claim? O A. Male high school students have greater exam scores than female students. O B. Male high school students have lower exam scores than female students. OC. Male and female high school students have equal exam scores. O D. Male and female high school students have different exam scores. What are Ho and H? O A. Ho: H1 SH2 O B. Ho: H1 H2 Ha: H1 SH2 O D. Ho: H1 2P2 O E. Ho: H1 H2 (b) Find the critical value(s) and identify the rejection region(s). The critical value(s) is/are (Round to two decimal places as needed. Use a comma to separate answers as needed.) What is/are the rejection region(s)? O B. z< -2.33, z> -2.33 O A. z> - 3.08 O D. z>2.58 OC. z< -2.58, z>2.58 OF. z<1.64 O E. z< -3.08, z> - 3.08 O H. z< - 2.33 O G. z< -1.64, z> 1.64 (c) Find the standardized test statistic z for p1- #2- z= (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O A. Reject Ho. The standardized test statistic is not in the rejection region. O B. Fail to reject Ho. The standardized test statistic is not in the rejection region. OC. Fail to reject Ho. The standardized test statistic is in the rejection region. O D. Reject Ho. The standardized test statistic is in the rejection region. (e) Interpret the decision in the context of the original claim. female high schoo evidence to the claim that male high school students have exam scores At the % significance level, there is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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2 Solve all parts please
The mean exam score for 43 male high school students is 22.3 and the population standard deviation is 4.7. The mean exam score for 53 female high school students is
20.9 and the population standard deviation is 4.3. At a = 0.01, can you reject the claim that male and female high school students have equal exam scores? Complete
parts (a) through (e).
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table,
(a) Identify the claim and state Ho and Ha
What is the claim?
O A. Male high school students have greater exam scores than female students.
O B. Male high school students have lower exam scores than female students.
O C. Male and female high school students have equal exam scores.
O D. Male and female high school students have different exam scores.
What are Ho and H,?
O B. Ho: H1 <H2
OC. Ho: H1 =H2
O A. Ho: H1 SH2
HaiH1> H2
Hai H1 # H2
O D. Ho: H1ZH2
O E. Ho: H1 *H2
O F. Ho: H1>2
Hai H1 =H2
Hai H1 SH2
Ha: H1 <H2
(b) Find the critical value(s) and identify the rejection region(s).
The critical value(s) is/are.
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
What is/are the rejection region(s)?
O B. z< - 2.33, z> - 2.33
O A. z> - 3.08
O D. z>2.58
OC. z< -2.58, z>2.58
OF. z<1.64
O E. z< -3.08, z> - 3.08
O H. z< - 2.33
O G. z< -1.64, z>1.64
(c) Find the standardized test statistic z for µ1- 42-
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.
O A. Reject Ho. The standardized test statistic is not in the rejection region.
O B. Fail to reject Ho. The standardized test statistic is not in the rejection region.
OC. Fail to reject Ho. The standardized test statistic is in the rejection region.
O D. Reject Ho. The standardized test statistic is in the rejection region.
(e) Interpret the decision in the context of the original claim.
female high school
At the % significance level, there is
V evidence to
the claim that male high school students have exam scores
Click to select your answer(s).
Transcribed Image Text:The mean exam score for 43 male high school students is 22.3 and the population standard deviation is 4.7. The mean exam score for 53 female high school students is 20.9 and the population standard deviation is 4.3. At a = 0.01, can you reject the claim that male and female high school students have equal exam scores? Complete parts (a) through (e). Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table, (a) Identify the claim and state Ho and Ha What is the claim? O A. Male high school students have greater exam scores than female students. O B. Male high school students have lower exam scores than female students. O C. Male and female high school students have equal exam scores. O D. Male and female high school students have different exam scores. What are Ho and H,? O B. Ho: H1 <H2 OC. Ho: H1 =H2 O A. Ho: H1 SH2 HaiH1> H2 Hai H1 # H2 O D. Ho: H1ZH2 O E. Ho: H1 *H2 O F. Ho: H1>2 Hai H1 =H2 Hai H1 SH2 Ha: H1 <H2 (b) Find the critical value(s) and identify the rejection region(s). The critical value(s) is/are. (Round to two decimal places as needed. Use a comma to separate answers as needed.) What is/are the rejection region(s)? O B. z< - 2.33, z> - 2.33 O A. z> - 3.08 O D. z>2.58 OC. z< -2.58, z>2.58 OF. z<1.64 O E. z< -3.08, z> - 3.08 O H. z< - 2.33 O G. z< -1.64, z>1.64 (c) Find the standardized test statistic z for µ1- 42- (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below. O A. Reject Ho. The standardized test statistic is not in the rejection region. O B. Fail to reject Ho. The standardized test statistic is not in the rejection region. OC. Fail to reject Ho. The standardized test statistic is in the rejection region. O D. Reject Ho. The standardized test statistic is in the rejection region. (e) Interpret the decision in the context of the original claim. female high school At the % significance level, there is V evidence to the claim that male high school students have exam scores Click to select your answer(s).
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