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Mrac [35]
3 years ago
6

The following information was obtained from matched samples taken from two populations. Assume the population of differences is

normally distributed. Individual Method 1 Method 2 1 7 5 2 5 9 3 6 8 4 7 7 5 5 6 The point estimate for the difference between the means of the two populations (Method 1 - Method 2) is:_______a. 0. b. 2. c. -2. d. -1
Mathematics
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

Step-by-step explanation:

Given the data:

Individual Method 1 Method 2 1 7 5 2 5 9 3 6 8 4 7 7 5 5 6

The point estimate for the difference between the means is the difference between the mean of method one and the mean of method 2

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Step-by-step explanation:

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LenaWriter [7]

x = -2

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let's multiply second equation by 4 to get a common coefficient of y variable.

16x-8y=-40

add the equations

3×+8y=2

16x-8y=-40

----------------

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substitute x

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check the answer

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8 0
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