WorksheetsGCSE Statistics Exam Questions
Total questions: 35
Worksheet time: 22mins
Which country had the largest total area of land?
Netherlands
Spain
France
UK
Which country had the largest area of forest?
Germany
Spain
France
UK
Work out the area of land with no forest in the UK.
3
21 million
1.5 million
3 million
Estimate the area of land in Germany with forest as a percentage of the total area of land in Germany.
30%
12 million
33.3...%
66.6...%
A list of all voters in a town is called...
Census
Sampling Frame
Encapsulation
Sample
A newspaper conducted a random sample of all the voters in the town. Explain what is meant by the word ‘random’.
Each voter has an equal chance of being selected.
People are chosen randomly.
There is no bias.
Each voter has a chance of being selected.
Give one advantage of using a census rather than a sample.
It is easier.
It is cheaper.
It is the most accurate.
It doesn't take long.
Explain what is meant by primary data.
Data that comes first.
Data collected from primary schools.
Data that is the most important.
Data collected by the person using it.
Give one advantage of using primary data.
The data is important.
Know how data was obtained.
The data is useful.
The data can be used right away.
The amount of money male employees spend on food in the canteen varies more than the amount of money female employees spend in the canteen.
Write down the name of a statistic that could calculate to investigate this hypothesis.
A graph.
Stratified sample.
Max value.
Standard deviation.
Which one of these does not make a good question on a questionnaire.
Closed questions.
Time frame.
Overlapping.
Clear.
Write down the number of roller coasters with a height of 80 metres or less.
35
38
33
15
Work out an estimate of the number of these roller coasters with a height between 60 metres and 110 metres.
37
39
34
8
A safety company is going to inspect roller coasters with a height greater than 86 metres.
Calculate an estimate of the percentage of the 50 roller coasters that the safety company is going to inspect.
12
24
34
8
What is the median on this box plot?
186
183
1.86
1.83
What is the IQR on this box plot?
0.76
0.48
2.1
1.83
What is the skew of this box plot?
Positive
Negative
Symmetric
The box plot for Year 7 was based on data collected from 76 students in Year 7.
Estimate the number of these Year 7 students with a reaction time less than 2.10 seconds.
19
57
65
76
Rudra is carrying out an investigation about the amount of money teenagers spend.
He is going to ask 50 teenagers some questions. He asks teenagers going into a shopping centre until he has asked 25 boys and 25 girls.
What is the name of this sampling method?
Quota
Stratified
Random
Totalling
Both Rosie and Stefan calculated the Spearman’s rank correlation coefficient.
Rosie got a value of 0.952
Stefan got a value of -1.25
Stefan did not calculate the value correctly.
How do you know this?
It's too low.
It must be between -1 and 1 (inclusive).
It is right.
It's too big.
Rosie calculated the Spearman’s rank correlation coefficient.
Rosie got a value of 0.952
Interpret this value.
It shows strong correlation.
It shows weak positive correlation.
It shows strong positive correlation.
It shows no correlation.
Interpret the 92 in the second table.
A decrease of 8%
92%
92 pence per litre in 2008
Less than 100
Work out the chain base index numbers for the year 2011.
92
106
114
108
One Member of Parliament is chosen at random. Work out the probability that this Member of Parliament is female.
304/650
147/650
503/650
6/147
One Member of Parliament is chosen at random. Work out the probability that this Member of Parliament is male and is in the Labour party.
171/650
147/650
503/650
6/171
One Member of Parliament is chosen at random. Work out the probability that this Member of Parliament is not in the Liberal Democrat party.
595/650
7/650
55/650
6/171
One Member of Parliament is chosen at random. Work out the probability that this Member of Parliament is female or is in the Conservative party.
595/650
403/650
55/650
6/171
X and Y are...
Probabilities
Exhaustive
Independent
Encompassing
Work out P(X) × P(Y).
0.5
0.7
0.035
0.35
An Explanatory Variable is...
The variable that is measured.
The variable that is changed.
A variable that isn't looked at, but could affect the results of the experiment.
A variable that is controlled.
A Response Variable is...
The variable that is measured.
The variable that is changed.
A variable that isn't looked at, but could affect the results of the experiment.
A variable that is controlled.
An Extraneous Variable is...
The variable that is measured.
The variable that is changed.
A variable that isn't looked at, but could affect the results of the experiment.
A variable that is controlled.
Which of these is NOT an advantage of a pilot study?
Gives you an idea of the response rate.
Allows you to spot questions that may be unclear, or ambiguous.
Tells you how long it takes for responses, and how much the full study may cost.
It is cheap and quick.
What is a control group?
Gives you an idea of the response rate.
2 groups of equally matched people, or very similar characteristics.
A group that is tested without the impact of the variable being measured.
It is cheap and quick.
What are matched pairs?
Gives you an idea of the response rate.
2 groups of equally matched people, or very similar characteristics.
A group that is tested without the impact of the variable being measured.
It is cheap and quick.
