Math Homework

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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
Scott
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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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32) Seamens Manufacturing has five hundred employees at its
32) Seamen's Manufacturing has five hundred employees at its plant. These employees are divided into three main groups: administration, clerical, and labor. The company is looking at making some chang… 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
Chirag
Master's Degree
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To determine whether four population means are equal, a sample
To determine whether four population means are equal, a sample from each population was selected at random and using the Kruskal-Wallis test, H was computed to be 2.11. What is your decision at the 0.… read more
Chirag
Master's Degree
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32) Seamens Manufacturing has five hundred employees at its
32) Seamen's Manufacturing has five hundred employees at its plant. These employees are divided into three main groups: administration, clerical, and labor. The company is looking at making some chang… read more
R.R. Jha
Bachelor'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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28) Of the values for a chi-squared test statistic listed below,
28) Of the values for a chi-squared test statistic listed below, which one is most likely to lead to rejecting the null hypothesis in a goodness-of-fit test? A. 1.2 B. 45 C. 2.1 D. 0 29) What are the … read more
Chirag
Master's Degree
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To determine whether four population means are equal, a sample
To determine whether four population means are equal, a sample from each population was selected at random and using the Kruskal-Wallis test, H was computed to be 2.11. What is your decision at the 0.… read more
suprabhatai
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
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T or F 1. For a goodness-of-fit test, the number of degrees
T or F 1. For a goodness-of-fit test, the number of degrees of freedom is k-2, where k is the number of categories. T or F 2.The shape of the chi-square distribution depends on the size of the sample.… read more
dhouse1940
Retired
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. degrees of freedom decrease B. the chi-square value increases C. number of variables increase D. degrees of freedom increase 29) Of the v… read more
SusanAthena
Master's Degree
Master's Degree
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25) Ace Car Rental has three main models that are used in it
25) Ace Car Rental has three main models that are used in it midsize range of cars. The cars are very similar and perform at about the same level. Since the customer has to pay for the gas use during … read more
rajeevanpillai
Master'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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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
mlamias
Statistical Consultant
Bachelor'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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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
StatisticsExpert
Asst. Professor
Doctoral 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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