The Quality Control department of Plainsville Peanut Company is responsible for checking the weight of the 8-ounce jar of peanut butter. The weights of a sample of nine jars produced last hour are:7.69, 7.72, 7.8, 7.86,  7.90,  7.94, 7.97, 8.06, 8.09Determine the weights corresponding to the first and third quartiles

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Asked Sep 23, 2019
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The Quality Control department of Plainsville Peanut Company is responsible for checking the weight of the 8-ounce jar of peanut butter. The weights of a sample of nine jars produced last hour are:

7.69, 7.72, 7.8, 7.86,  7.90,  7.94, 7.97, 8.06, 8.09

Determine the weights corresponding to the first and third quartiles

 

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Expert Answer

Step 1

Quartiles:

Quartiles are the values those divides the data into four equal parts.

Step 2

The first quartile for the given data can be obtained by entering the formula “=QUARTILE.EXC(A1:A9,1)” in EXCEL software.

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fix QUARTILE.EXC(A1:A9, 1) C1 A B C Е F 7.76 1 7.69 2 7.72 3 7.8 4 7.86 5 7.9 6 7.94 7 7.97 8 8.06 8.09 LL X ос

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Step 3

The value of the first quartile is 7.76.

The third quartile for the given data can be obtained by entering the for...

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QUARTILE.EXC(A1:A9, 3) C1 A B C E F 8.015 1 7.69 2 7.72 7.8 4 7.86 5 7.9 7.94 6 7 7.97 8.06 8.09 LL LL X

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