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daniel1480
30.06.2019 •
Mathematics
Take the following numbers and calculate the mean, median and mode. 75, 65, 70, 70, 55, 40, 55, 70, 65 1. mean 2. median 3. mode a. 62.8 b. 65 c. 70
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Ответ:
1. mean
To solve for mean, add all the numbers, and divide by the amount of numbers there is.
(75 + 65 + 70 + 70 + 55 + 40 + 55 + 70 + 65)/9 = 565/9 = 62 7/9 (a. 62.8)
2. Median
To solve for median, reorder all numbers from least to greatest, and the middle number is your median.
40, 55, 55, 65, 65, 70, 70 , 70, 75
Middle number is bolded
40, 55, 55, 65, 65, 70, 70, 70, 75
(b. 65)
3. Mode
To solve for mode, find out which number shows up the most.
(c. 70) shows up once more than the next number that has the most (55 & 65, which both have 2)
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Ответ: