PSY 315 Week 5 Assignment: Hypothesis Testing, Statistical Analysis, andCorrelationPractice Problems Ch.7, 8, 9, 11Martha RodriguezPSY 315 Week 5February 25, 2013Instructor: Gina PendergrassCh. 7 Problem #15:In a particular country, it isknown that college seniors report falling in love an average of 2.20 timesduring their college years. A sample of five seniors, originally from that country but who have spent theirentire college career in the United States, were asked how many times they had fallen in love duringtheir college years. Their numbers were 2, 3, 5, 5, and 2. Using the .05 significance level, do students likethese who go to college in the United States fall in love more often than those from their country whogo to college in their own country? (a) Use the steps of hypothesis testing. (b) Sketch the distributionsinvolved. (c) Explain your answer to someone who is familiar with the Z test (from Chapter 5) but isunfamiliar with the t test for a single sample.(a) Hypothesis Testing Steps1.Hypothesis Setup:oNull Hypothesis (H₀):μ = 2.20 (Students in the U.S. fall in love the same numberof times as those in their home country)oAlternative Hypothesis (H₁):μ > 2.20 (Students in the U.S. fall in love moreoften than those in their home country)2.Test Statistic:We use the t-test for a single sample:where:Preview Mode
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