PSYC 3002 Week 6 Test with Answers

PSYC 3002 Week 6 test 1. If you are conducting a one-way chi-square for a study with 300 participants and 3 categories, what would the expected frequency be for a given category? 2. An analysis of home addresses of the people enrolled in your program of study showed that 565 people live in large cities, 410 live in small towns, and 110 live in rural areas. What statistic should be used to analyze these data? 3. A goodness of fit test has how many variables? 4. A researcher used chi square to examine toy preferences of 5-year-old children. The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy. What is the degrees of freedom for this study? 5. What is the degrees of freedom for a two-way chi-square that has one variable with two levels and one variable with three levels? 6. Assume you have conducted a one-way H0 in which the H0 says the frequencies in the categories are equal. If the X2 was not significant, the appropriate conclusion is 7. A researcher used chi square to examine toy preferences of 5-year-old children. The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy. What is the alternative hypothesis for this study: 8. If you are conducting a one-way chi-square for a study with 200 participants and 4 categories, what would the expected frequency be for a given category? 9. The statistic that describes the strength of the relationship in a two-way chi square that is a 2X2 design is called a(n) 10. A researcher used chi square to examine toy preferences of 5-year-old children. The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy. What is the degrees of freedom for this study? 11. Suppose you conduct an experiment with 24 participants who are asked to respond to one of three categories. Your obtained chi square is 9.92, which is statistically significant. What is the correct way to report this finding? 12. Suppose you conduct an experiment with 44 participants who are asked to respond to one of three categories. Your obtained chi square is 5.22, which is statistically significant. What is the correct way to report this finding? 13. The larger the obtained chi square value 14. Nonparametric procedures are usually not our first choice among statistical procedures because 15. In a one-way chi-square test, the null hypothesis states the observed frequencies do not equal the expected frequencies because 16. Nonparametric procedures are used instead of parametric procedures when 17. Chi square can be used to analyze variables measures on either a nominal or ordinal scale. 18. Chi square is used to analyze variables measure on what scale of measurement? 19. The two-way ?2 is a test of 20. A test of independence has how many variables?