Vocabulary
What is the mode?
The most repeated number
What has a range of 3?
2,4,3,1,3,2,1
3,2,3,4,2,5,7
6,7,5,3,8,3,5,4,10
1,2,3,4,5,6,7
2,4,3,1,3,2,1
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
9/20
2/5
1/2
8/15
9/20
What is the range?
The highest number by the lowest.
A bag contains 2 red, 3 green, and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
A. 10/21
B. 11/21
C. 2/7
D. 5/7
A. 10/21
What is the mode?
91,91,99,99,92,87,91,91
91
What is the median?
The middle number.
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
1/2
3/8
5/16
3/4
1/2
What is the mean?
27,28,33,18,21,41
28
What is the mean?
the average
What has the mode of an 8?
7,5,8,8,2,8
8,6,7,4,8,7
9,2,8,2,6,3
2,2,8,9,6
7,5,8,8,2,8
What is the median?
12,13,7,9,10,17,4
10
What is the IQR?
The range between what is in the box.
Three unbiased coins are tossed. What is the probability of getting at most two heads?
7/8
3/4
3/8
1/4
7/8
What is the range?
13,24,45,13,6,8,21,23
39