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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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cng cng
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A year ago
A psychologist is studying the effect of belly stars on Sneetches. A random sample of four Sneetches is drawn, and a test of self-image is given to each Sneetch before and after having the belly star status changed. (If the Sneetch initially had a star, it was removed; if it did not have a star, one was created on the Sneetch using the patented “Star-off/Star-on” procedure.) From the following sample data, construct a 98% confidence interval on the population mean change in self-image associated with a star status change.

​

Sneetch number1234
Image score before1208810025
Image score after13010011055

​



▸

(–26.7977, –4.20232)



▸

(–23.4535, –7.5465)



▸

(–30.7625, –0.2375)



▸

(–37.5519, 6.5519)

​

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
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roman91roman91
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A year ago
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cng Author
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A year ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
dianeflunder
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Yesterday
Good timing, thanks!
Fanmkreyol
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2 hours ago
Thanks
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