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siniylev [52]
3 years ago
6

Find the mean, median mode and range of: 75, 80, 60, 90, 85, 80, -7, 90, 70, 65

Mathematics
2 answers:
yaroslaw [1]3 years ago
4 0

Answer:

Mean: 68.8.

Median: 77.5

Mode: 80, 90

Step-by-step explanation:

-7 + 60 + 65 + 70 + 75 + 80 + 80 + 85 + 90 + 90 = 688. Then divide by 10 because there are 10 numbers.

-7 + 60 + 65 + 70 + 75 + 80 + 80 + 85 + 90 + 90

(75, 80) are the middle numbers, so add them both, then divide by 2.

80, 90 appear more than the other numbers.

Range is highest - lowest. 90 - (-7) = 97, or it could be 83. I don't know.

Pavlova-9 [17]3 years ago
3 0

The mean is 68.8

The median is 77.5

The mode is 80 and 90

The range is 97

Hopefully I didn't answer too late.

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