Let X be the charge for an oil change, and let the tax on X be 7% so that the actual charge is 1.07X. Let Y be the number of containers of oil that are needed, and $2 the price per container. Then 2Y is the price of the oil itself. The Cov(X, Y) is 5.6. What is the Cov(1.07X, 2Y)

idk

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answer: it's upside down and i can't read it

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i would say true? if the unit was informational and it "refreshed your understanding", then true.

both the histogram and the stem and leaf plot will visually show how many shoppers were of various ages within each range of data.   the histogram does not give us the specific ages of these shoppers unlike the stem and leaf plot.a histogram does not give us a true range of the data because we do not know exactly how old the shoppers were. a stem and leaf plot will give exact ages, so we can determine the exact range along with all measures of center and the others measures of center.   with the histogram, we cannot find any of these.

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