Definitions
What is the meaning of mode?
Mode is the number that appears the most
What is the mode of the following numbers:
5, 2, 2, 2, 3, 8, 42, 42, 33
2
5, 14, 12, 9, 10, 4
9
24, 3, 10, 17, 5
21
Find the missing number
31, 3, x, 29, 5, 14
The Average =15
8
Define median
Median is the middle number in a data set
What is the median of the following numbers:
56, 78, 71, 68, 69, 55, 39, 26, 21
56
72, 56, 81, 77, 69
71
39, 26, 56, 69, 21, 78
57
Find the missing number
45, 51, x, 31, 36, 49
Average = 40
28
What is range?
Range is the difference between the highest and the lowest value in a data set.
What is the mode of 7, 2, 5, 1, 5, 7, 10,
5 & 7
84, 92, 79, 86, 82, 93
86
91, 34, 42, 122, 55
88
Find the missing number
79, 75, x, 61, 86, 57
Average = 71
68
Define mean of data.
Mean is the average of a data set
What is the median of 12, 21, 13, 8, 4, 22, 7, 5
10
28, 19, 42, 31, 65, 72, 41, 38
42
81, 64, 9, 79, 19, 20, 45
72
Find the missing number
87, 91, 94, x, 90
Average = 88
78
Describe how we find the average(mean) of a data set.
Adding up all the numbers and then dividing by the number of numbers you have.
What is the mode and median of the following numbers: 28, 91, 72, 19, 34, 41, 42, 38, 42, 31, 22, 45, 65, 55, 50
Mode and Median = 42
30, 1, 22, 8, 15, 29, 2, 20, 13, 6
14.6
91, 92, 278, 123, 87, 185
191
Find the missing number
43, 57, 63, 52, x
Average = 58
75