According to a report, the mean of monthly cell phone bills was $49.82 three years ago. A researcher suspects that the mean of monthly cell phone bills is higher today. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type l error. (c) Explain what it would mean to make a Type Il error. (a) State the hypotheses. Ho: На (Type integers or decimals. Do not round.) (b) Explain what it would mean to make a Type l error. Choose the correct answer below. O A. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82. O B. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean less than $49.82. the bill is O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is $49.82. (c) Explain what it would mean to make a Type Il error. Choose the correct answer below. O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is less than $49.82. O B. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.
According to a report, the mean of monthly cell phone bills was $49.82 three years ago. A researcher suspects that the mean of monthly cell phone bills is higher today. (a) Determine the null and alternative hypotheses. (b) Explain what it would mean to make a Type l error. (c) Explain what it would mean to make a Type Il error. (a) State the hypotheses. Ho: На (Type integers or decimals. Do not round.) (b) Explain what it would mean to make a Type l error. Choose the correct answer below. O A. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82. O B. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean less than $49.82. the bill is O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is $49.82. (c) Explain what it would mean to make a Type Il error. Choose the correct answer below. O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is less than $49.82. O B. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is higher than $49.82. O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![According to a report, the mean of monthly cell phone bills was $49.82 three years ago. A researcher suspects that the mean of monthly cell phone bills is higher today.
(a) Determine the null and alternative hypotheses.
(b) Explain what it would mean to make a Type l error.
(c) Explain what it would mean to make a Type Il error.
(a) State the hypotheses.
Ho:
На
(Type integers or decimals. Do not round.)
(b) Explain what it would mean to make a Type l error. Choose the correct answer below.
O A. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.
O B. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean
less than $49.82.
the bill is
O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is $49.82.
(c) Explain what it would mean to make a Type Il error. Choose the correct answer below.
O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is
less than $49.82.
O B. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8a3b29d6-25bb-4c9c-9aeb-2a7e1e70af4c%2F26f3acd0-53a4-4d64-b68d-89d7e2488724%2Fiqqinh.jpeg&w=3840&q=75)
Transcribed Image Text:According to a report, the mean of monthly cell phone bills was $49.82 three years ago. A researcher suspects that the mean of monthly cell phone bills is higher today.
(a) Determine the null and alternative hypotheses.
(b) Explain what it would mean to make a Type l error.
(c) Explain what it would mean to make a Type Il error.
(a) State the hypotheses.
Ho:
На
(Type integers or decimals. Do not round.)
(b) Explain what it would mean to make a Type l error. Choose the correct answer below.
O A. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.
O B. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean
less than $49.82.
the bill is
O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is $49.82.
(c) Explain what it would mean to make a Type Il error. Choose the correct answer below.
O A. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is less than $49.82, when in fact the mean of the bill is
less than $49.82.
O B. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O C. The sample evidence did not lead the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is
higher than $49.82.
O D. The sample evidence led the researcher to believe the mean of the monthly cell phone bill is higher than $49.82, when in fact the mean of the bill is $49.82.
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