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What are the critical z-values for a two-tailed hypothesis
What are the critical z-values for a two-tailed hypothesis test if the significant level = 0.01? A. ± 1.96 B. ± 2.33 C. ± 2.58 D. ± 1.65 2) In classical hypothesis testing, the test statistic is to th… read more
Chirag
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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
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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
rajeevanpillai
Master's Degree
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Hi again Scott, I have around 50 questions in statistics that
Hi again Scott, I have around 50 questions in statistics that I need answered in less than 2 hours. They are multiple choice. Could you please help me? Please let me know when is good time for you, bu… read more
Scott
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
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For Steve, Nonparametric statistics are used when A.
For Steve, Nonparametric statistics are used when A. you have qualitative data, with your variables being measured at the nominal or interval level B. you have qualitative data, with your variables be… read more
Stevewh
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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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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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21) New college business graduates are finding it difficult
21) 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
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
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13) Accounting procedures allow a business to evaluate their
13) Accounting procedures allow a business to evaluate their inventory at LIFO (Last In First Out) or FIFO (First In First Out). A manufacturer evaluated its finished goods inventory (in \$ thousands) … read more
Chirag
Master's Degree
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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
dhouse1940
Retired
Master's Degree
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13) Indy H2O is a water bottling company. They are looking at two different bottling manufacturers' equipment for the purpose of replacing some old equipment. The net weights of a sample of bottles fi… read more
dhouse1940
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Scott One of the dependent variables for a study about alcohol
Scott: One of the dependent variables for a study about alcohol consumption is the number of days in the last month the subject has missed work. What level of measurement is this dependent variable? A… read more
Scott
Master's Degree
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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
abozer
Bachelor'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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