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joshtatum92 joshtatum92
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3 weeks ago
Use the following to answer the questions below:

Students in a small statistics class were asked to count the number of scars both on their "dominant" hand (the one they use most often) and on their "off" hand. The summary statistics are provided. It is of interest to compare the average number of scars on the dominant and off hands.

ns
Dominant251.922.326
Off252.723.007
Difference (D - O)25-0.82.363


Construct a 90% confidence interval for the difference in mean number of scars on dominant and off hands. Round your margin of error to two decimal places.

▸ -1.81 to 0.21

▸ -1.71 to 0.11

▸ -1.67 to 0.07

▸ -1.61 to 0.01
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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richardbuggrichardbugg
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3 weeks ago
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joshtatum92 Author
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3 weeks ago
Thank you, thank you, thank you!
wrote...

Yesterday
Just got PERFECT on my quiz
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2 hours ago
Good timing, thanks!
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