How to find the mean and the median

2 answers:

7 0

The mean you have to add up your numbers first then divide them by the amount of numbers you have .ex. 1+2+3 is 6 then divide so 6÷3 =3 Median is the middle number in list. So put them in order then muddle number is your median. If you have two numbers left add them and divide by 2. That will be your median.

tekilochka [14]3 years ago

7 0

Mean: The "average" number; found by adding all data points and dividing by the number of data points.
Example: The mean of 4, 1, & 7 is (4+1+7)/3 = 12/3= 4
Median: The middle number; found by ordering all data points and picking out the one in the middle (or if there are two middle numbers, taking the mean of those two numbers).
Example: The median of 4, 1, & 7 is 4 bc when the numbers are put in order (1, 4, 7), the number 4 is in the middle.

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In Owen's class, there are 15 girls and 12 boys. Write the ratio of boys to girls.

mihalych1998 [28]

Answer:

4 : 5

Step-by-step explanation:

boys : girls

12 15

Divide each by 3

12/3 : 15/3

4 : 5

7 0

3 years ago

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Tobys office had already recycled 7 kilograms this year before starting the new recycling plan, and the new plan will have the o

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Answer:

32 weeks.

Step-by-step explanation:

Let w represent number of weeks.

We have been given that the new plan will have the office recycling 1 kilogram of paper each week. So kilograms of paper recycled in w weeks would be $1\cdot w=w$ .