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1. A formal statement that there is an absence of relationship
1. A formal statement that there is an absence of relationship between variables when tested by a researcher is called: Null hypothesis Type I error Type II error Negative interval 2. Bivariate statis… read more
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11) New college business graduates are finding it difficult
11) New college business graduates are finding it difficult to get a job. A business journal has reported that only one in five graduates is able to find a job within 6 months of their graduation. A r… read more
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45. The standard deviation is: (Points : 1) The difference
45. The standard deviation is: (Points : 1) The difference between the 3rd and 1st quartile. The squared deviations from the mean. The difference between the highest and lowest scores. The square root… read more
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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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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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Here is my questions The 2 test statistic is a random variable
Here is my questions The χ2 test statistic is a random variable that is based on frequencies. A) True B) False 2 The chi-square test for independence is a non-parametric statistical test because no pa… read more
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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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The 2 test statistic is a random variable that is based on
The ?2 test statistic is a random variable that is based on frequencies. A) True B) False 2 The chi-square test for independence is a non-parametric statistical test because no parameters are estimate… read more
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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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7) Degrees of freedom for a test of mean differences with unequal
7) Degrees of freedom for a test of mean differences with unequal variances is A. n – 2 B. n1 + n2 - 1 C. n – 1 D. n1 + n2 - 2 8) When testing for differences between two means, the Behrens-Fisher pro… 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
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