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The Following Is a Sample of Tow Ratings (In Pounds) xˉ=\bar { x } =

Question 78

Short Answer

The following is a sample of tow ratings (in pounds) for some popular 2000 model light trucks:

2,000, 2,000, 4,000, 5,000, 6,000, 7,000, 7,000, 7,000, 8,000, 8,000

Compute the mean of the given sample. Round your answer to the nearest whole number.
xˉ=\bar { x } = __________

Compute the standard deviation of the given sample. Round your answer to the nearest whole number.
s=s = __________

Assuming the distribution of tow ratings for all popular light trucks is symmetric and bell-shaped, 68 percent of all light trucks have tow ratings between __________ and __________. Please, use the rounded value for the standard deviation here.

Find the percentage of scores in the sample that fall in this range.

__________%

Correct Answer:

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5,600; 2,2...

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