16 Cumulative Frequency Worksheet Page 5
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27MEP Y9 Practice Book B
16.1
7.
John looks at the price of a computer game in 8 different shops. The prices
he sees are:
£29.99
£25.00
£34.99
£29.00
£24.99
£29.99
£31.00
£29.95
(a)
Calculate the mean of this data.
(b)
State the mode of this data.
(c)
Determine the median.
Which of these averages should he use to argue that the computer game is
too expensive?
8.
For the set of data given below, calculate the mean and determine the
median.
4
7
3
9
5
6
142
3
7
11
Describe the advantages of using the median, rather than the mean in this case.
9.
A student collected data on the number of visits to the dentist made by
members of his class in one school year.
His results are shown in the following bar chart:
Frequency
11
10
9
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
8
Number of Visits
For the data:
(a)
state the mode,
(b)
calculate the mean,
(c)
determine the median.
10.
A set of three numbers has mean 11, median 12 and range 13. What are the
3 numbers?
172
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education