Mean and Statistics

What is the lower quartile of the data?

• 30

• 40

• 70

• 80

• 100

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

Define Mean?

4+3+1+5+3

• Add all numbers then divide by amount of numbers

• Subtract all numbers then divide by 2

• Multiply all numbers then divide by 2

• Divide all numbers then divide by amount of numbers

Find Mean?

5+2+1+1= 9 ➗ 4

• 6

• 2.25

• 9

• 12

What is dot plot?

• Finding mean, median, range, mode

• Finding mean median

• Finding range, mode

• Finding range

Calculate the mean:

23, 15, 8, 12, 26, 5, 22, 9

Mathematical Equivalence

ON

Calculate the mean:

81, 69, 72, 80, 67, 62, 78, 74, 71, 86

• 82.2

• 92

• 67.2

• 74

Calculate the mean:

54, 38, 52, 51, 49, 46, 39, 53, 47, 42, 52, 41

• 47

• 43.4

• 51.3

• 50

Calculate the mean:

25, 36, 34, 17, 22, 31, 38

• 25.3

• 29

• 40

• 33.8

Calculate the mean:

61, 45, 52, 48, 53, 49, 57, 46, 60, 54, 58

• 49

• 53

• 64.7

• 58.3