Suppose the mean IQ score of people in a certain country is 100. Suppose the director of a college obtains a simple random sample of 39 students from that country and finds the mean IQ is 103.5 with a standard deviation of 13.2. Complete parts (a) through (d) below. C... (b) Consider the hypotheses Ho: p=101 versus H₁: > 101. Explain what the director is testing. Perform the test at the a= 0.01 level of significance. Write a conclusion for the test. Explain what the director is testing. Choose the correct answer below. O A. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. O B. The director is testing if the sample provided sufficient evidence that the population mean IQ score actually equal to 101. O C. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not equal to 101. O D. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test. (Round to three decimal places as needed.) Write a conclusion for the test. Choose the correct answer below.
Suppose the mean IQ score of people in a certain country is 100. Suppose the director of a college obtains a simple random sample of 39 students from that country and finds the mean IQ is 103.5 with a standard deviation of 13.2. Complete parts (a) through (d) below. C... (b) Consider the hypotheses Ho: p=101 versus H₁: > 101. Explain what the director is testing. Perform the test at the a= 0.01 level of significance. Write a conclusion for the test. Explain what the director is testing. Choose the correct answer below. O A. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101. O B. The director is testing if the sample provided sufficient evidence that the population mean IQ score actually equal to 101. O C. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not equal to 101. O D. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.) Find the P-value for this hypothesis test. (Round to three decimal places as needed.) Write a conclusion for the test. Choose the correct answer below.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Transcribed Image Text:Suppose the mean IQ score of people in a certain country is 100. Suppose the director of a college obtains a simple random sample of 39 students from that country and finds the
mean IQ is 103.5 with a standard deviation of 13.2. Complete parts (a) through (d) below.
(b) Consider the hypotheses Ho: μ = 101 versus H₁: > 101. Explain what the director is testing. Perform the test at the a= 0.01 level of significance. Write a conclusion for the
test.
Explain what the director is testing. Choose the correct answer below.
O A. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually greater than 101.
O B.
The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually equal to 101.
O C. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not equal to 101.
O D. The director is testing if the sample provided sufficient evidence that the population mean IQ score is actually not greater than 101.
Find the test statistic for this hypothesis test.
(Round to two decimal places as needed.)
Find the P-value for this hypothesis test.
(Round to three decimal places as needed.)
Write a conclusion for the test. Choose the correct answer below.
II
E
99+
H
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