Math Homework

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1. Using StatCrunch, calculate the chi-square statistic and
1. Using StatCrunch, calculate the chi-square statistic and degrees of freedom for the following set of data for 300 people: Group A Group B Group C Total Had flu shot 20 30 32 82 Didn't have flu shot… read more
Stevewh
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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
R.R. Jha
Bachelor's Degree
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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
rajeevanpillai
Master's Degree
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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
Stevewh
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Bachelor's Degree
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12. Suppose you will perform a test to determine whether there
12. Suppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear correlation between two variables. Find the critical values of r given the number o… read more
Chirag
Master's Degree
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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
Ryan
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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
Chirag
Master's Degree
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Which non parametric statistical test should I use to answer
Which non parametric statistical test should I use to answer this question? I don't need it calculated, just how to set up the problem. (FYI, I am a lawyer and a legal expert on this site, so you will… read more
dhouse1940
Retired
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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
R.R. Jha
Bachelor's Degree
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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
dhouse1940
Retired
Master's Degree
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The nonparametric counterpart of the randomized block model
The nonparametric counterpart of the randomized block model of the ANOVA is the A. Wilcoxon signed rank sum test B. Kruskal-Wallis test C. Friedman test D. Wilcoxon rank sum test… read more
R.R. Jha
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
mlamias
Statistical Consultant
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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
Scott
Master's Degree
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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
StatisticsExpert
Asst. Professor
Doctoral Degree
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Assume you have data that falls in a normal distribution that
Assume you have data that falls in a normal distribution that reflects an ordinal scale. Would it be appropriate to use parametric or nonparametric procedures to analyze these data? Defend your respon… read more
SusanAthena
Master's Degree
Master's Degree
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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
SusanAthena
Master's Degree
Master's Degree
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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
Bachelor's Degree
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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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