Psyc60_Review_Questions

Psyc60_Review_Questions - Final Exam Bring Your textbook...

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Final Exam Bring Your textbook Your ID A calculator A pink scantron sheet Don’t be late
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Price Center The Price Center estimates that 300 students eat lunch at their facilities each day between noon and 1pm. On each of 30 randomly selected days, they counted the total number of students eating between 12 and 1 pm. The mean for the sample was 312, and the standard deviation was 13. Test the null hypothesis that the true mean is 300 students with alpha = .05. 1) Name the statistical test or technique you will use. 2) State the null and alternative hypotheses. 3) What is the decision rule?
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Price Center 1) Name the statistical test or technique you will use. One sample t-test 2) State the null and alternative hypotheses. Ho: µ = 300 Ha: µ ≠ 300 3) What is the decision rule? Reject Ho at alpha = .05 and df = N-1 = 29 if t >= 2.045 or t <= -2.045
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Education In a sample of 27 randomly selected Americans, the correlation between number of years of education and ratings of the importance of education was .58. Is this evidence that the the population correlation coefficient is not zero? Use alpha = .01 1) Name the statistical test or technique you will use. 2) State the null and alternative hypotheses. 3) What is the decision rule?
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Education 1) Name the statistical test or technique you will use. t-test on significance of correlation coefficient 2) State the null and alternative hypotheses. Ho: rho = 0 Ha: rho ≠ 0 3) What is the decision rule? Reject Ho at alpha = .01 and df = N-2 = 25 if t >= 2.787 or t <= -2.787
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Turkey Scientists are curious about whether the tryptophan in turkey decreases the speed with which students complete simple math problems.
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Psyc60_Review_Questions - Final Exam Bring Your textbook...

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