7th Gr Statistics

Question 1

How do you find the mean?

Answer 1

add all the numbers and divide by how many numbers you added

Question 2

How do you find the median?

Answer 2

line up all the numbers smallest to biggest and find the MIDDLE number. If there are 2 numbers left find the mean of those

Question 3

How do you find the mode?

Answer 3

the mode is the number that occurs the MOST often

Question 4

How do you find the range?

Answer 4

subtract the biggest number and the smallest number

Question 5

What is an outlier?

Answer 5

A number that is way bigger or way smaller than the rest of the numbers

Question 6

How do you find the MAD (mean absolute deviation)?

Answer 6

First find the mean of the numbers. Then find how far away all of the numbers are away from the mean. Then find the mean of those numbers.

Question 7

What is a biased question?

Answer 7

A question that makes something look better or worse than something else

Question 8

What is a random sample?

Answer 8

it is not hand picked or hand selected and is totally random

Question 9

What do you set up when estimating animal population?

Answer 9

a proportion

Question 10

How do you find the median from a box plot?

Answer 10

It is the line in the middle of the box

Question 11

How do you find the IQR from a box plot?

Answer 11

Subtract the outsides of the box

Question 12

What fraction of the data is in the box of a box plot?

Answer 12

1/2 of the data

Question 13

What percent of data is in each section of a box plot?

Answer 13

25%