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Dante52 Dante52
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3 weeks ago
Use the following to answer the questions below:

A sample of 148 college students at a large university reports getting an average of 6.85 hours of sleep last night with a standard deviation of 2.12 hours.


Construct a 98% confidence interval for the average amount of sleep students at this university got last night. Use two decimal places in your margin of error.

▸ 6.44 to 7.26 hours

▸ 6.53 to 7.17 hours

▸ 6.49 to 7.21 hours

▸ 6.38 to 7.32 hours
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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apontea13apontea13
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3 weeks ago
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Dante52 Author
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3 weeks ago
This helped my grade so much Perfect
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Yesterday
Correct Slight Smile TY
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2 hours ago
Good timing, thanks!
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