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For a study of adolescents' disclosure of their dating and romantic relationships, a sample of 236 high school students was surveyed. One of the variables of interest was the level of disclosure to an adolescent's mother (measured on a 5-point scale, where 1= "never tell" and 5 = "always tell"). The sampled high school students had a mean disclosure score of 3.34 and a standard deviation of 0.78. The researchers hypothesize that the true mean disclosure score of all adolescents will exceed 3. Do you believe the researchers? Conduct a formal test of hypothesis using a = 0.01. Set up H, and H, for testing whether the true mean disclosure score of all adolescents exceeds 3. Choose the correct answer below. O A. Ho: H=3 O B. Họ: H=3 c. Họ: H=3 O D. Ho: H#3 Ha: u>3 If a = 0.01, find the rejection region for the test. Choose the correct answer below. O A. z>2,575 O B. z>2.33 or z< - 2.33 C. z>2.33 O D. z< - 2.575 O E. z>2.575 or z< -2.575 O F. z< - 2.33 Calculate the value of the test statistic. z= (Round to two decimal places as needed.)

For a study of adolescents' disclosure of their dating and romantic relationships, a sample of 236 high school students was surveyed. One of the variables of interest was the level of disclosure to an adolescent's mother (measured on a 5-point scale, where 1= "never tell" and 5 = "always tell"). The sampled high school students had a mean disclosure score of 3.34 and a standard deviation of 0.78. The researchers hypothesize that the true mean disclosure score of all adolescents will exceed 3. Do you believe the researchers? Conduct a formal test of hypothesis using a = 0.01. Set up H, and H, for testing whether the true mean disclosure score of all adolescents exceeds 3. Choose the correct answer below. O A. Ho: H=3 O B. Họ: H=3 c. Họ: H=3 O D. Ho: H#3 Ha: u>3 If a = 0.01, find the rejection region for the test. Choose the correct answer below. O A. z>2,575 O B. z>2.33 or z< - 2.33 C. z>2.33 O D. z< - 2.575 O E. z>2.575 or z< -2.575 O F. z< - 2.33 Calculate the value of the test statistic. z= (Round to two decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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For a study of adolescents' disclosure of their dating and romantic relationships, a sample of 236 high school students was surveyed. One of the variables of interest was the level of disclosure to an adolescent's mother (measured on a 5-point scale, where 1 = "never tell" and 5 = "always tell"). The sampled high school students had a mean disclosure score of 3.34 and a standard deviation of 0.78. The researchers hypothesize that the true mean disclosure score of all adolescents will exceed 3. Do you believe the researchers? Conduct a formal test of hypothesis using a = 0.01. Set up Ho and H, for testing whether the true mean disclosure score of all adolescents exceeds 3. Choose the correct answer below. A. Ho: μ 3 B. Ho: H= 3 Ha: H<3 Ha: H#3 D. Ho: H#3 HaiH= 3 C. H: μ=3 Ha: µ> 3 If a = 0.01, find the rejection region for the test. Choose the correct answer below. A. z>2.575 B. z> 2.33 or z< - 2.33 C. z>2.33 D. z< - 2.575 O E. z> 2.575 or z< -2.575 O F. z< -2.33 Calculate the value of the test statistic. (Round to two decimal places as needed.) View an example Тextbook Statcrunch Clear all Check answer
Transcribed Image Text:For a study of adolescents' disclosure of their dating and romantic relationships, a sample of 236 high school students was surveyed. One of the variables of interest was the level of disclosure to an adolescent's mother (measured on a 5-point scale, where 1 = "never tell" and 5 = "always tell"). The sampled high school students had a mean disclosure score of 3.34 and a standard deviation of 0.78. The researchers hypothesize that the true mean disclosure score of all adolescents will exceed 3. Do you believe the researchers? Conduct a formal test of hypothesis using a = 0.01. Set up Ho and H, for testing whether the true mean disclosure score of all adolescents exceeds 3. Choose the correct answer below. A. Ho: μ 3 B. Ho: H= 3 Ha: H<3 Ha: H#3 D. Ho: H#3 HaiH= 3 C. H: μ=3 Ha: µ> 3 If a = 0.01, find the rejection region for the test. Choose the correct answer below. A. z>2.575 B. z> 2.33 or z< - 2.33 C. z>2.33 D. z< - 2.575 O E. z> 2.575 or z< -2.575 O F. z< -2.33 Calculate the value of the test statistic. (Round to two decimal places as needed.) View an example Тextbook Statcrunch Clear all Check answer
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