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Total questions: 75
Worksheet time: 1hrs 24mins
How many scores are listed in this Stem and Leaf Plot?
3
6
9
18
In how many games did the team score fewer than 10 points?
3
5
4
6
What is the Maximum data item on this stem and leaf plot?
56%
88%
94%
8122348%
What is the Mode of this data?
96
97
68
802
What is the Minimum data item?
0
71
5
23
How many data items are on the plot?
16
21
22
100
What is the Maximum data item on this plot?
49
58
1036
35
What is the Mode of this data?
74
56888
68
45
What is the Minimum data item of this plot?
0
1
72
40
How many data items are on this plot?
9
17
26
89
What is the Maximum data item on this plot?
10
79
100
224569
What is the Minimum data item on this plot?
0
51
5
12
The diagram shows the ages of a group of people.
How many people are there in the group?
44
29
12
16
The diagram shows the ages of a group of people.
How old is the youngest person in the group?
4
10
14
1
The diagram shows the ages of a group of people.
How many people are under 20?
4
5
3
8
The diagram shows the ages of a group of people.
How many people are over 25?
7
4
9
8
The diagram shows the heights of Mr Pearce's plants
How many plants does Mr Pearce have?
19
20
53
25
This stem and leaf diagram shows the heights of Mrs Smith's flowers. What fraction of the flowers are shorter than 20cm?
7/19
9/20
7/20
6/19
This stem and leaf diagram shows the heights of Mrs Smith's flowers. How many flowers are taller than 40cm?
5
2
7
6
This stem and leaf diagram shows the marks achieved by students in Mrs Turner's class. What was the highest mark in the class?
47
109
45
29
This stem and leaf diagram shows the marks achieved by students in Mrs Turner's class. How many students got more than 24 marks?
14
16
15
12
The stem and leaf plot below shows the grade point averages of 18 students. The digit in the stem represents the ones and the digit in the leaf represents the tenths. So for example 0 | 8 = 0.8, 1 | 2 = 1.2 and so on.
What is the range of the data in the stem and leaf plot?
3.2
3.1
3.5
32
What is the mode of the grades?
4.0
1.4 and 2.5
1.4
2.5
What is the median (middle) of the grades?
2.0
2.6
2.4
2.5
How many students scored higher than 60 in section 2?
17
18
16
20
What are the minimum and maximum scores in section 1?
minimum = 40 , maximum = 95
minimum = 95 , maximum = 40
minimum = 91 , maximum = 90
minimum = 90 , maximum = 41
4,5,5,2,3,3,2,8
Calculate the mean.
10, 4, 5, 9
7
5
8
4
Calculate the mean.
16, 5, 7, 12
9
6
12
10
Calculate the mean.
2, 9, 10, 6, 8
8
4
7
22
What is another word for AVERAGE?
Mode
Median
Mean
Not nice
10, 3, 2, 5
Find the mean of the numbers below:
4, 9, 7, 10, 5
5
6
7
8
5,5,5,5
28, 18, 19, 18, 17
Calculate the mean.
23, 18, 9, 10, 5
55
13
14
17
Calculate the mean.
6, 9, 12, 5
8
13
7
3
Find the mean of the numbers below:
4, 9, 7, 10, 5
5
6
7
8
Find the mean of the numbers below:
2, 8, 6, 3, 12, 7, 4
5
6
7
8
Find the mean of the numbers below:
3, 2, 1, 3, 2, 1, 3, 2, 1, 3, 2, 1
3
2
1
4
Find the mean of the numbers below:
1, 8, 7, 5, 6, 4, 7, 6
5
5.5
6
6.5
Find the mean of the numbers below:
20, 30, 24, 32
26.5
27.5
27
27.5
Find the mean of the numbers below:
12, 8, 14, 5, 1, 3, 0, 8, 10, 11
7.2
8
9
7.4
Find the mean of the numbers below:
1.4, 2.8, 2.4, 2.5, 2.8, 3.1, 1.1
2.3
2.2
2.4
2.1
The mean of four numbers is 10.
Three of the numbers are 9, 11 and 7.
Work out the fourth number.
9
13
11
15
Is this a statistical question: How many emails do you send each each day?
Yes
No
Is this a statistical question: How many players are on the Springfield football team?
Yes
No
Is this a statistical question: How many people in Coach Knight's classes are in the band?
Yes
No
Is this a statistical question: Do you like cinematic music?
Yes
No
The temperature in Springfield on this date in the last ten years were: 68, 68, 69, 70, 72, 70, 68, 75, 55, 67. What is the average temperature on this date over the last ten years? (Round to nearest whole number)
60
61
68
69
Jessica has five grades from assessments and quizzes. They are all weighted equally. If her grades are 50, 70, 88, 70, and 88, what is her current average grade?
71
72
73
74
2, 57, 38, 42, 6
Calculate the mean:
23, 15, 8, 12, 26, 5, 22, 9
17.1
15
13.3
12
Calculate the mean:
81, 69, 72, 80, 67, 62, 78, 74, 71, 86
82.2
92
67.2
74
Calculate the mean:
25, 36, 34, 17, 22, 31, 38
25.3
29
40
33.8
Calculate the mean:
61, 45, 52, 48, 53, 49, 57, 46, 60, 54, 58
49
53
64.7
58.3
Calculate the mean:
23, 15, 8, 12, 26, 5, 22, 9
17.1
15
13.3
12
Calculate the mean:
81, 69, 72, 80, 67, 62, 78, 74, 71, 86
82.2
92
67.2
74
Calculate the mean:
25, 36, 34, 17, 22, 31, 38
25.3
29
40
33.8
