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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Noar Noar
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A year ago
The distribution of class ranks in a particular introductory statistics class is assumed to be 20% freshmen, 40% sophomores, 35% juniors, and 5% seniors. To see if this is valid, a sample of 20 sections of this introductory statistics class is taken, and the frequency of each class rank is recorded. There are 130 freshmen, 242 sophomores, 221 juniors, and 37 seniors. The test statistic for aχ2goodness-of-fit test would be:


▸

1568.429.



▸

1.4853.



▸

0.1689.



▸

7.8147.

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
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Keleko12Keleko12
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A year ago
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Noar Author
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A year ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
kevin12323h
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Yesterday
Helped a lot
Goku935
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2 hours ago
This site is awesome
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