Press 'esc to exit full screen Psychology 201, Homework 13 Submit to Canvas by Tuesday May 17th at 11:59pm. 1. What type of test is a chi-square test? What type of data is used in a chi-square test? 2. Given the Observed frequency values in this data set of types of beverages people in the population prefer, calculate the expected value calculations. Coffee Tea Non- Total Caffeinated Beverage Observed 19 15 8 42 Expected 3. Jenna wants to know if people prefer summer or winter. She asks 30 people and gathers empirical data from this. Her data is shown below. She is testing at a .05 level of signicance. What is Jenna's conclusion? Should she fail to reject or reject the null hypothesis? Write a one sentence conclusion including the test statistic, x2, and whether she should fail to reject or reject the null hypothesis. Summer Winter Total Observed 19 11 30 Expected 15 15 30 4. Britney wants to analyze whether or not a person traveling when they were a child affected their decision to travel as an adult. She gathers the data below: Based on this data, find the expected values. Using this data and a chi-square test for independence, What is Britney's conclusion? Should she fail to reject or reject the null hypothesis? Observed Frequ ency Values: | Traunlina a: a | A'arfnll Dal-kin\" Observed 19 15 Page Expected 3. Jenna wants to know if people prefer summer or winter. She asks 30 people and gathers empirical data from this. Her data is shown below. She is testing at a .05 level of signicance. What is Jenna's conclusion? Should she fail to reject or reject the null hypothesis? Write a one sentence conclusion including the test statistic, x2, and whether she should fail to reject or reject the null hypothesis. Summer Winter Total Observed 19 11 30 Expected 15 15 30 4. Britney wants to analyze whether or not a person traveling when they were a child affected their decision to travel as an adult. She gathers the data below: Based on this data, find the expected values. Using this data and a chi-square test for independence, What is Britney's conclusion? Should she fail to reject or reject the null hypothesis? Observed Frequency Values: Traveling as a Affected Decision Child Yes No Total Traveled Yes 10 6 16 No 4 12 16 Total 14 18 32 ZOOM + Page