lillaqwarren
Answered

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brainliest to best answer

Brainliest To Best Answer class=

Sagot :

79j

Answer:

To find the mean we add all of the scores together and divide it by how many scores there were:

[tex]\frac{5+2(6)+4(7)+8(8)+5(9)}{20}[/tex]

After simplifying, we get:

[tex]\frac{140}{20} =7[/tex]

So the mean is 7.

To find the median we order the scores of them from least to greatest:

[tex]5,6,6,7,7,7,7,8,8,8,8,8,8,8,8,9,9,9,9,9,[/tex]

We see that the number in the middle is 8, so the median is 8.

The mode is obviously 8, because it appears most frequently.

The range is the highest score subtracted from the lowest score, or 4.

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