mean, median, mode and more

Find the mean

100

What is the mean of these numbers: 3, 5, 1, 2, 6, 4, 2, 5, 6, 1

3.5

200

Find the mean of these numbers: 8, 5, 7, 10, 15, 21

The answer is: 11

300

Find the mean of these numbers: 9, 7, 11, 13, 2, 4, 5, 5 

The answer is: 7

400

16, 18, 19, 21, 23, 23, 27, 29, 29, 35

24

500

How can you calculate mean ?

Answer: Just add up all the numbers, then divide by how many numbers there are.

Find the median

100

Find the median: 4,6,7,9,8,5 

The answer is: 6

200

Find the median: 12,7,8,9,11,10

Answer: 8.5

300

Find the median: 16,14,20,18,12

Answer: 16

400

Find the median: 10 20 30 40 50

Answer: 30

500

How do you find median:

1. Put all the numbers in numerical order.
2. If there is an odd number of results, the median is the middle number.
3. If there is an even number of results, the median will be the mean of the two central numbers.

Find the mode

100

What is the mode of the following numbers?

10, 6, 4, 4, 6, 4, 1

: 4

200

1, 2, 1, 3, 5, 6

answer: 1

300

7,9,7,9,10,20,34,7,37,32

answer: 7

400

11, 11, 12, 14, 15, 60, 62, 32, 14, 86, 14

answer: 14

500

How do you find mode

The number which appears most often in a set of numbers.

Find the outlier

100

Find the outlier: 1,2,3,4,1,2,3,10

10

200

10,11,12,15,16,11,21

21

300

-3, 5, 10, 12, 14, 18, 24, 26, 49, 60

60

400

82, 72, 83, 75, 80, 78, 82, 73, 60, 79, 80, 78, 83, 81

60

500

What is an outlier

A value that "lies outside" (is much smaller or larger than) most of the other values in a set of data.

Find the range

100

4, 6, 9, 3, 7

6

200

2,3,4,10,5,7

8

300

10,20,30,40,50,60,70,80,90,100

90

400

82, 72, 83, 75, 80, 78, 82, 73, 60, 79, 80, 78, 83, 81

23

500

How do you find the range

It is the difference between the lowest number and highest number