Question

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

Answer 1

Answer: The mode is 70 since it is the number that occurs the most

The mean is 62.8 since it is the average of the numbers calculated to get the mean

Median is 65 since it is the middle number

Step-by-step explanation: Mode is the number that occurs the most among the numbers so 70 occurs more than the other numbers so we say that 70 is the mode

Median is the average of the numbers the total numbers added together and divided by the amount of numbers would give you the mean

40+55+55+65+70+70+70+75=565/9=62.8

Mean is the middle number rearranged accordingly so the middle number is 65

Answer 2

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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