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Year 8 Data 2
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A school's sport program has 5 different sports available. The graph shows the proportion of students playing each sport during a sport session. Each student can play only one sport. There are 36 students playing football. What is the total number of students who are playing sport?
1 point
90
144
180
270
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Which of the sets of data below contain an outlier?
1 point
7, 11, 15, 17, 20
0, 0, 0, 0, 4, 5
698, 701, 712, 719, 730
48, 51, 52, 54, 256
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Jack and Jill want to collect information about a crowd of 1500 people at a rugby match. Jack asks each person their postcode as they enter the ground. Jill hands out a survey form to 150 people in the crowd.
1 point
Jill is using a sample and Jack is using a census.
Jack is using a sample and Jill is using a census
Both Jack and Jill are using a census
Both Jack and Jill are using a sample
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Find the mean of 2, 4, 3, 5, 10 and 6
1 point
5
4
6
5.5
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Which of the following is a discrete numerical variable?
1 point
the time taken to walk to school
the number of people at a concert
the star rating for motel accommodation
the colour of a persons eyes
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For the stem and Leaf Plot below. The range of data is
1 point
5
8
65
66
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For the stem and Leaf Plot below. The median of data is
1 point
30
31
32
33
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For the stem and Leaf Plot below. The mode of data is
1 point
15
19
35
44
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A result was left out when the stem and Leaf Plot below was drawn. The missing result was 19. What would be changed by adding the missing result to the Stem and Leaf plot?
1 point
The mode and range
The median and the mode
The median and the range
Only the median
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