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Harlamova29_29 [7]
3 years ago
15

Advertising expenses are a significant component of the cost of goods sold. Listed below is a frequency distribution showing the

advertising expenditures for 63 manufacturing companies located in the Southwest. The mean expense is $50.63 million and the standard deviation is $11.48 million. Is it reasonable to conclude the sample data are from a population that follows a normal probability distribution?
Mathematics
1 answer:
vredina [299]3 years ago
6 0

Answer:hi

Step-by-step explanation:

Hi

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To find b, substitute in one (x,y) pair and it doesn't matter which one.  I'll go with (4,-2):

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It's always a good idea to toss in the other x-value from the other point, to make sure it checks out.

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Step-by-step explanation:

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