Math Homework

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1. Chi square test for independence compares observed frequencies
1. Chi square test for independence compares observed frequencies with: (Points : 1) Expected frequencies Standard deviations Standard errors Phi coefficient 2. The degrees of freedom for a 3X4 contin… read more
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11. This can be thought of as the chi-square type equivalent
11. This can be thought of as the chi-square type equivalent to the paired t-test. ANOVA McNemar test Cochran's Q test Mann-Whitney U-test 12. Chi-square tests can only be conducted for a 2X2 continge… read more
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9. Given each of the following circumstances, determine whether
9. Given each of the following circumstances, determine whether the calculated values of chi-square are statistically significant: a. χ2 = 3.72, df = 1, α = 0.05 b. χ2 = 9.59, df = 4, α = 0.05 c. χ2 =… read more
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Nonparametric tests generally are more powerful than parametric
Nonparametric tests generally are more powerful than parametric tests when normality cannot be assumed. A) True B) False 2. Rejection of a hypothesis using a nonparametric test is more convincing than… read more
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For Steve, The nonparametric test most commonly used for testing
For Steve, The nonparametric test most commonly used for testing the statistical independence between two variables is A. the Kruskal- Wallis test B. the Chi- Square test C. the Mann Whitney test D. t… read more
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For Steve, What nonparametric test is used when the assumptions
For Steve, What nonparametric test is used when the assumptions for the parametric ANOVA cannot be met? Its purpose is to test whether three or more populations are equal. The data must be at least or… read more
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28) The chi-square distribution becomes more symmetrical as
28) The chi-square distribution becomes more symmetrical as A. the chi-square value increases B. degrees of freedom increase C. degrees of freedom decrease D. number of variables increase 29) What non… read more
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1)It is believed that the median yearly income in a suburb
1)It is believed that the median yearly income in a suburb of Atlanta is \$70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above \$70,000, 26 had yearly incomes below \$70,000… read more
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Master's Degree
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28) The chi-square has A. one distribution B. a uniform
28) The chi-square has A. one distribution B. a uniform distribution C. two distributions D. a family of distributions 29) What are the assumptions required for nonparametric tests regarding the shape… read more
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28) What nonparametric test is used when the assumptions for
28) What nonparametric test is used when the assumptions for the parametric analysis of variance (ANOVA) cannot be met? Its purpose is to test whether three or more populations are equal. The data mus… read more
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Bachelor's Degree
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25) Consider the following data set 14, 14, 15, 16, 18, 19,
25) Consider the following data set: 14, 14, 15, 16, 18, 19, 19, 20, 21, 22, 23, 25, 25, 25, 25, and 28. The rank assigned to the four observations of value 25 is A. 12.5 B. 13 C. 12 D. 13.5 26) The n… read more
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Are you available to answer a few multiple choice question
17) A test for equality of two variances has sample sizes n1 = 13 and n2 = 10. The degrees of freedom for the test are A. 13 and 10. B. 26. C. 12 and 9. D. 21. 18) You are conducting a two-tailed test… read more
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25) Statistical methods that require few assumptions, if any,
25) Statistical methods that require few assumptions, if any, about the population distribution are known as A. nonparametric techniques. B. All of these C. parametric techniques. D. free agent techni… read more
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Hi. I have some homework questions I am needing help with.
Hi. I have some homework questions I am needing help with. I hope you can help. Thanks!! In a contingency table a sample of 400 people is classified by gender and hair color (4 groups: blond, brown, b… read more
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NONPARAMETRIC TEST TYPES & CHARACTERISTICS Please read and understand the following before responding: + Lecture Notes There are a many nonparametric tests that can be used when data does not meet the… read more
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T F 1. Correlation coefficients of positive 0.91 and negative
T F 1. Correlation coefficients of positive 0.91 and negative 0.91 represent relationships between two variables that have equal strength but different directions. T F 2. If the coefficient of correla… read more
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T F 1. . Nonparametric tests require no assumptions about
T F 1. . Nonparametric tests require no assumptions about the shape of the population distribution. T F 2. Tests of hypotheses for nominal or ordinal levels of measurement are called nonparametric or … read more
abozer
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Which nonparametric test is analogous to a parametric two-sample t-test for means
Kruskal-Wallis test. B) Wilcoxon signed rank test. C) Mann-Whitney test. D) Wald-Wolfowitz test.… read more
Sk1llz
Math student
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