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Mathematics Standard representing Data revision
Mathematics Standard representing Data revision
20 terms
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StudBud Administration
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45 plays
A revision of Representing and classifying data based on the New Century Maths course
Flashcards
20 cards
F
Practice quiz
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Host live
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Questions
20
Answers
1
Which is the frequency polygon?
The line
The bars
2
Mr Wood's shoe size is 8. What type of data is this?
Categorical Nominal
Numerical Discrete
Numerical continuous
Categorical Ordinal
3
A school asks students to fill in an online survey about the canteen's food. What kind of sampling method is this?
Stratified
Simple Random
Self-selected
Systematic
4
Why is this graph misleading?
Only two teachers
Vertical axis is not even
Vertical axis does not start at 0
Bars are unequal widths
5
Mr Wood wants to graph the test results out of 30 for a class. Which of the following could he use?
Dot plot
Frequency histogram
Any of these
Stem and leaf plot
6
Which of the following is categorical ordinal data
Length of time taken to get to school
A food's health star rating
Eye colour
Brand of shoe worn
7
48 people had prawn cocktail as their favourite type of crisp. How many people had ready salted as their favourite?
96
48
24
72
8
Which of the following is a systematic way of sampling?
Calling random phone numbers
Putting a leaflet in every 3rd house
Asking all students on a bus about the trip
Matching proportion of girls in sample to girls in population
9
92% of students had a mobile. If this was 720 students, roughly how many did not have a mobile?
60
Can't tell
63
58
10
What is \frac{1}{5} as a percentage?
5%
10%
20%
50%
11
The Pareto chart shows reasons for shirt defects. How many defects were cuff defects?
7
2
90
5
12
This frequency polygon shows calls made by sales people in a business. How many sales people are there??
30
27
8
10
13
A TV awards company wants a "viewers' choice" award. Which of the following will give a biased sample?
Asking every 10th person who enters a supermarket
Emailing a survey to Netflix subscribers
Getting a sample with groups of young and old viewers to match population
Calling random phone numbers and asking for opinions
14
Here are the scores of 30 students in a Quiz! What fraction scored 6 or less?
\frac{1}{3}
\frac{4}{5}
\frac{1}{10}
\frac{1}{5}
15
What is the centre of the class interval 90-<100?
94.5
100
95
90
16
What percentage of people had chicken as their favourite type of crisp?
20%
72%
22%
25%
17
The pareto chart shows reasons for shirt defects. What percentage of defects were 'buttons' and 'pockets' combined?
65
85
75
39
18
A child has their height taken on the first day of each month. Which is the best way to show this data?
Bar chart
Dot plot
Sector graph
Line graph
19
This frequency polygon shows calls made by sales people in a business. How many sales people made more than 3 calls?
2
8
14
6
20
In which month were sales higher in Delhi than in Mumbai?
Jul
Apr
May
Jun
