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The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' attitudes toward school and tudy habits. Scores range from 0 to 200. Higher scores indicate better attitudes and study habits. The mean score for U.S. college students is about 115. A teacher suspects that older students have better attitudes toward school, on average. She gives he SSHA to an SRS of 45 of the over 1000 students at her college who are at least 30 years of age. in the study of older students' attitudes, the sample mean SSHA score was 125.7 and the sample standard deviation was 29.8. significance test yields a p-value of 0.0101. Interpret the P-value. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or less just by chance in an SRS of 45 older students. The probability of getting a sample mean of 125.7 or greater is 0.0101. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, ther is a 0.0101 probability of getting a sample mean of 125.7 or greater just by chance in an SRS of 45 older students. The probability that the null hypothesis is true is 0.0101. The probability that the alternative hypothesis is true is 0.0101.

The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' attitudes toward school and tudy habits. Scores range from 0 to 200. Higher scores indicate better attitudes and study habits. The mean score for U.S. college students is about 115. A teacher suspects that older students have better attitudes toward school, on average. She gives he SSHA to an SRS of 45 of the over 1000 students at her college who are at least 30 years of age. in the study of older students' attitudes, the sample mean SSHA score was 125.7 and the sample standard deviation was 29.8. significance test yields a p-value of 0.0101. Interpret the P-value. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or less just by chance in an SRS of 45 older students. The probability of getting a sample mean of 125.7 or greater is 0.0101. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, ther is a 0.0101 probability of getting a sample mean of 125.7 or greater just by chance in an SRS of 45 older students. The probability that the null hypothesis is true is 0.0101. The probability that the alternative hypothesis is true is 0.0101.

MATLAB: An Introduction with Applications
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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The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' attitudes toward school and study habits. Scores range from 0 to 200. Higher scores indicate better attitudes and study habits. The mean score for U.S. college students is about 115. A teacher suspects that older students have better attitudes toward school, on average. She gives the SSHA to an SRS of 45 of the over 1000 students at her college who are at least 30 years of age. In the study of older students' attitudes, the sample mean SSHA score was 125.7 and the sample standard deviation was 29.8. A significance test yields a p-value of 0.0101. Interpret the P-value. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or less just by chance in an SRS of 45 older students. The probability of getting a sample mean of 125.7 or greater is 0.0101. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or greater just by chance in an SRS of 45 older students. The probability that the null hypothesis is true is 0.0101. The probability that the alternative hypothesis is true is 0.0101. Incorrect
Transcribed Image Text:The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' attitudes toward school and study habits. Scores range from 0 to 200. Higher scores indicate better attitudes and study habits. The mean score for U.S. college students is about 115. A teacher suspects that older students have better attitudes toward school, on average. She gives the SSHA to an SRS of 45 of the over 1000 students at her college who are at least 30 years of age. In the study of older students' attitudes, the sample mean SSHA score was 125.7 and the sample standard deviation was 29.8. A significance test yields a p-value of 0.0101. Interpret the P-value. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or less just by chance in an SRS of 45 older students. The probability of getting a sample mean of 125.7 or greater is 0.0101. Assuming the true mean score on the SSHA for all students at least 30 years of age at the teacher's college is 115, there is a 0.0101 probability of getting a sample mean of 125.7 or greater just by chance in an SRS of 45 older students. The probability that the null hypothesis is true is 0.0101. The probability that the alternative hypothesis is true is 0.0101. Incorrect
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