Unit 6: Representing Data

Sports Shoes Unlimited had 11 pairs of men's running shoes on sale in these sizes: 10 7 7 9 10 8 11 12 10 8 10

 

 

 

What is the range of the data?
What is the mode  of the data?
What is the median of the data?

What is the mean?

 

the number(s) that occur the most frequently

 "arithmetic average"

greatest number - smallest number

the middle # in an ordered set of data

Seven students at one table in the cafeteria had these number of books with them: 4 3 6 5 5 75

 

 

What is the range of the  data?

the middle # in an ordered set of data

 the difference between the greatest & lowest  #s

"arithmetic average"

the number(s) that occurs the most frequently

What is the best definition  for "range"?
Which  set of  data has a mean of  31 and a median of 30?

30, 40, 20, 34, 35

30, 30, 28, 32,

 28,32,39,25

33, 23, 25, 30

Tanya's has the following scores in Social Studies

95, 85, 65 and 77.  With these scores she currently has an average grade of 80.  What is the lowest score she can get on the next exam and still be able to maintain her 80 average?

74

 77

73

75

How many players are on the football team?
What is the median  age of a player?
Age Ranges of Football Team
  3
 2
1
          key   1
3, 3, 4, 4, 5, 6
1, 3, 3, 5, 9

4,5, 6, 7, 7, 8,8,9

3
= 13
What is the mode of the data?
33, 23, 55, 66, 13, 35, 27, 28, 59,59, 55,55, 15, 16
Given the following data create a stem and leaf plot.
Stem        Leaf
2

5

3, 

3, 5

,
,9,9
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