3 years ago

It takes Erin 4 hours to build a statue and Cathy 6 hours to do the same job. How

1 answer:

4 0

I think it would take 24 hours or 10 hours

explanation: if you have 4 hours from Erin, and 6 hours from Cathy, it’ll most likely be 10 hours because you’re trying to find out the total amount. (keyword: together & how many)

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Step-by-step explanation:

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Here are the prices of five new skateboards, in dollars: 75, 82, 100, 120, 140.

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The standard deviation<u> </u><u>INCREASES</u>

Step-by-step explanation:

Standard deviation is used to show how the points of the data deviate from the mean. The formulae for deriving standard deviation is attached. As seen from the formulae, the greater the variance of the data from the mean, the higher the Standard Deviation.

The mean of the given data points is $103.4. $450 is way off from this mean meaning that there is a large variance in this data point.