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If Benito is selecting samples of five values from the table, which row will result in the greatest mean? Population Data Row 1 4 2 2 3 3 Row 2 3 3 4 3 2 Row 3 2 4 3 4 3 Row 4 3 4 4 7 3 Row 1 Row 2 R

2 Answers

6 votes

The 4th row

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User Tim Allman
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4 votes

Answer:

4th row will result in the greatest mean.

Explanation:

We are asked to find the row with greatest mean from our given rows.

We will use formula
\bar{x}=(\Sigma x)/(n), where,


\bar{x}=\text{Mean},


\Sigma x=\text{Sum of all data values},


n=\text{Number of data points in sample}

Let us find mean of each row using above formula.


\text{Mean of row 1}=(4+2+2+3+3)/(5)


\text{Mean of row 1}=(14)/(5)


\text{Mean of row 1}=2.8

Therefore, mean of 1st row is 2.8.


\text{Mean of row 2}=(3+3+4+3+2)/(5)


\text{Mean of row 2}=(15)/(5)


\text{Mean of row 2}=3

Therefore, mean of 2nd row is 3.


\text{Mean of row 3}=(2+4+3+4+3)/(5)


\text{Mean of row 3}=(16)/(5)


\text{Mean of row 3}=3.2

Therefore, mean of 3rd row is 3.2.


\text{Mean of row 4}=(3+4+4+7+3)/(5)


\text{Mean of row 4}=(21)/(5)


\text{Mean of row 4}=4.2

Therefore, mean of 4th row is 4.2.

Since 4th row has the highest mean, therefore, 4th row will result in the greatest mean.

User Mjr
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