Bigman8518
23.07.2021 •
Mathematics
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Answers on questions: Mathematics
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- M Mathematics 30. When Alex joined a discount CD club, he was allowed to buy 10 CDs at $0.50 each. If he buys one CD per month for the next year at $14.95 each plus $3.70 shipping and handling,...
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Ответ:
Mean: 17
The range is 25-11 = 14 (the numbers in bold)
The interquartile range is 20-12=8 (the numbers underlined)
The mean absolute deviation is: 4; this is found by finding how far each number is from 17 (mean): 6,5,2,1,3,3,8 (28) and dividing by 7.
Part B:
The prices vary by no more that $14 (range).
The middle half of the prices vary by no more than $8 (IQR).
The admission prices differ from the mean price by an average of $4 (MAD).