Statistics Worksheets With Answers - Newbattle High School Page 29
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
4511.
Mary and Beth played eight rounds of golf together during their summer holidays.
Mary scored:
71
78
76
76
79
75
75
74
Beth scored:
76
73
74
77
74
74
75
73
(a)
Calculate the range and mean for Mary.
(b)
Calculate the range and mean for Beth.
(c)
Who had: (i) the lowest score
(ii) the highest score?
(d)
Who scored better most of the time ?
12.
Thirty pupils in Primary Four were given a 30 word spelling test.
The teacher was to set a ‘pass’ mark. Here are the marks out of 30:
18
21
23
19
24
25
17
20
18
18
17
22
20
25
22
19
16
21
22
16
18
23
24
19
15
18
24
23
30
29
(a)
Rewrite the marks in order, starting at the lowest.
(b)
What is the range of marks?
(c)
Calculate the mean, mode and median.
(d)
If you were the teacher, what would your pass mark have been?
Give a reason!
13.
Mrs. Potts buys Bargain T Bags with an advertised ‘average 50 T Bags’ in every box.
She buys 6 boxes and counts the tea bags in each box! Here is what she finds:
49 49
52
50
52
52
(a)
Calculate the mean number of tea bags.
(b)
What is the mode?
(c)
Should she take the boxes back to the shop and complain?
(d)
What gives a clearer picture here...... the mean or the mode?
14.
East Athletic had a mean score of four goals per game in their first nine games!
a)
How many goals had they scored?
b)
In their next game they scored six, but failed to score in their next four matches.
What was their mean score then?
15.
Five sisters have an average (mean) age of 19.
Jean is 14, Joan is 18, Jan is 20 and Josephine is 17.
What age is the eldest sister, Mags?
16.
Here are the number of runs scored by a cricketer,
17
9
but unfortunately one score is missing.
42
11
18
63
If his mean score is 29 over the ten games, calculate
26
18
what the missing score must have been.
80
29
Mathematics: Mathematics 2 (Int 1) Statistics – Student Materials
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education