Mathematics

Home > Mathematics > General Mathematics > Preliminary Course > Data Analysis > DA3: Displaying single data sets > Quick quiz: A sample of multiple choice questions for this topic.

DA3

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1. The following tally marks represent:

gate-post tally

3
 13
 23

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2. This is an example of:

Graph type

A sector graph.
 A histogram.
 A bar graph.

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3. When graphing this data a suitable scale for the H values would be:

n
1
2
3
4
5
H
2
8
6
2
1
From 0 to 12 with a mark for each even number.
 From 0 to 20 with a mark for every 5 points.
 From 1 to 15 with a mark for every point.

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4. This graph is misleading because:

Graph

By starting the vertical axis at 3000 it over-emphasises the growth.
 There are numbers on one axis and words on the other.
 You can’t tell what happened in April.

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5. This is a stem and leaf plot for 12 items.

Stem and leaf plot


The range for the data is:

25
9
 35

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6. In statistics, a radar chart is used to:
Check traffic flows.
 Graph data.
 Predict weather patterns.

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7. If your test result is recorded as being in the 9th decile, this means:
At least 10% of students scored higher than you.
 You scored at least 90%
 Your score was between 80% and 90%

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8. The interquartile range of a set of data contains:
25% of the data.
 The middle quarter of the data.
 50% of the data.

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9. This graph could be an example of:

Graph

An ogive.
 Cumulative frequency.
 A frequency distribution.

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10. The median for this set of data is approximately:

line graph

12.5
 15
 9

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11. Given that the five number summary for a set of data is 5, 15, 21, 29, 49 which statement would be true?
The median is in the middle of the upper and lower quartiles.
 The range for the data is 44.
 The interquartile range is 50.

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12. The box and whisker plot for the data in the previous question 5, 15, 21, 29, 49 will look like:

Box and wisker plot 1

 

Box and wisker plot 2

 

Box and wisker plot 3

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13. Two surveys were done. One was favourite icecream flavours and the other was costs for different brands of icecream.

From the choices offered the best choice for displaying these two sets of data would be:
A histogram for the flavours and a pie chart for the costs.
 A bar chart for both the flavours and the costs.
 A bar chart for the flavours and a histogram for the costs.

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14. A sector graph (pie chart) is not very effective when:
A sector is very similar but not equal in size to another.
 You don’t have enough colours.
 The total is not easily divided into 360 degrees.

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