A distribution and the observed frequencies of the values of a variable from a simple random sample of the population are provided below. Use the chi-square goodness-of-fit test to decide, at the specified significance level, whether the distribution of the variable differs from the given distribution. Distribution: 0.1875, 0.25, 0.3125, 0.25 0 Observed frequencies: 20, 21, 20, 35 Significance level = 0.05 Determine the null and alternative hypotheses. Choose the correct answer below. O A. Ho: The distribution of the variable differs from the given distribution. H₂: The distribution of the variable is the same as the given distribution. OB. Ho: The distribution of the variable differs from the normal distribution. H₂: The distribution of the variable is the normal distribution. OC. Ho: The distribution of the variable is the same as the given distribution. H₂: The distribution of the variable differs from the given distribution. O D. Ho: The expected frequencies are all equal to 5. Ha: At least one expected frequency differs from 5. C

A distribution and the observed frequencies of the values of a variable from a simple random sample of the population are provided below. Use the chi-square goodness-of-fit test to decide, at the specified significance level, whether the distribution of the variable differs from the given distribution. Distribution: 0.1875, 0.25, 0.3125, 0.25 0 Observed frequencies: 20, 21, 20, 35 Significance level = 0.05 Determine the null and alternative hypotheses. Choose the correct answer below. O A. Ho: The distribution of the variable differs from the given distribution. H₂: The distribution of the variable is the same as the given distribution. OB. Ho: The distribution of the variable differs from the normal distribution. H₂: The distribution of the variable is the normal distribution. OC. Ho: The distribution of the variable is the same as the given distribution. H₂: The distribution of the variable differs from the given distribution. O D. Ho: The expected frequencies are all equal to 5. Ha: At least one expected frequency differs from 5. C

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

100%

Compute value of test statistic x^2

Identify the critical value

does the data provide sufficient evidence that the distribution of the variable differs from the given distribution?

thanks!

A distribution and the observed frequencies of the values of a variable from a simple random sample of the population are provided below. Use the chi-square goodness-of-fit test to decide, at the
specified significance level, whether the distribution of the variable differs from the given distribution.
Distribution: 0.1875, 0.25, 0.3125, 0.25
Observed frequencies: 20, 21, 20, 35
Significance level = 0.05
Determine the null and alternative hypotheses. Choose the correct answer below.
O A. Ho: The distribution of the variable differs from the given distribution.
Ha: The distribution of the variable is the same as the given distribution.
B. Ho: The distribution of the variable differs from the normal distribution.
Ha: The distribution of the variable is the normal distribution.
OC. Ho: The distribution of the variable is the same as the given distribution.
Ha: The distribution of the variable differs from the given distribution.
D. Ho: The expected frequencies are all equal to 5.
Ha: At least one expected frequency differs from 5.

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