Unit Test Math Unit 6
35 marks from 35 questions
Question 1
Which of these methods is the best way to record personal information such as the age of a person?
a.
Use a range of ages to choose from.
b.
Ask for their age directly.
c.
Ask if they are above or below a certain age.
Question 2
Which of these characteristics would you see in a good questionnaire?
a.
Detailed questions with lots of explanation
b.
Lots of questions with phrases for answers
c.
A choice of answers that do not overlap
d.
Answers which use the words ‘sometimes’ and ‘normally’
Question 3
Which of these statements are not correct for a good questionnaire?
Select all correct answers.
a.
Use short questions in simple language.
b.
Always include name, address and date of birth.
c.
Use questions that have a ‘Yes’ or ‘No’ answer.
d.
Ask leading questions such as ‘do you agree...’.
Question 4
True or false?
A record of the number of brown-eyed students in a class is categorical data.
a.
True
b.
False
Question 5
A record of changing air temperature is:
a.
categorical data
b.
discrete data
c.
continuous data
Question 6
When someone enters the type of accomodation they live in on a census form, this is an example of:
a.
categorical data
b.
discrete data
c.
continuous data
Question 7
The number of times you catch the bus each week is:
a.
categorical data
b.
discrete data
c.
continuous data
Question 8
These answers are for the survey question: ‘How much homework do you get each week?'
Which of these answers should not be included?
a.
None
b.
1 – 2 hours
c.
3 – 4 hours
d.
More than 4 hours
e.
Too much
Question 9
In a survey there is the following question.
How many times did you go to the hairdresser last year?
Complete the missing response.
None
–
times
3 – 5 times
6 or more times
Question 10
You want to collect data about how often people use social media.
Which is the best place to collect the data?
a.
At a primary school.
b.
In a shopping centre.
c.
At a park.
Question 11
A survey is to be done to find out who regularly plays football.
Who should be asked?
a.
Just boys
b.
Just girls
c.
Equal numbers of boys and girls
Question 12
A record of 30 students’ hair colour is:
a.
categorical data
b.
discrete data
c.
continuous data
Question 13
The number of times you shop each week is:
a.
categorical data
b.
discrete data
c.
continuous data
Question 14
A record of a car’s velocity over a period of time is:
a.
categorical data
b.
discrete data
c.
continuous data
Question 15
The number of students in a class would be classified as:
a.
categorical data
b.
discrete data
c.
continuous data
Question 16
This question is in a lifestyle questionnaire.
How often do you visit the cinema?
Never
Often
Why is this not a suitable question?
Select all correct statements.
a.
There are only two options.
b.
The answers are too vague.
c.
There is no time period given in the question.
d.
They may not like the cinema.
Question 17
In a survey there is the following question.
How many times did you go on holiday last year?
None
1 – 3 times
3 – 6 times
6 times or more
What is wrong with the responses to this question?
a.
The times are too few.
b.
There are too few choices.
c.
There are too many choices.
d.
The responses overlap.
Question 18
A book store collects data by analysing sales records.
What type of data is this?
a.
Continuous data
b.
Discrete data
Question 19
How many people visit a particular leisure centre in a particular city?
Select the data set that could be used to answer the question above.
a.
The number of visitors to leisure centres in the city
b.
The number of leisure centres in all cities
c.
A survey of sports played by people in the city centre
d.
A record of how many people use the leisure centre each day
Question 20
The table shows sports preferences for a class.
Sport
Tally
Basketball
Frequency
|||
8
Tennis
15
Cricket
5
Select all the answers that reflect this data.
a.
This is discrete numerical data.
b.
The number of students in the class is 28.
c.
This is categorical data.
d.
Five students prefer cricket.
Question 21
This question is in a lifestyle questionnaire.
How long do you watch television for each day?
1 – 2 hours
2 – 3 hours
Over 3 hours
What is wrong with this question?
Select all correct answers.
a.
There is no answer box for less than 1 hour.
b.
The question assumes you watch television every day.
c.
The question should record the day.
d.
The responses overlap.
Question 22
Which of these is a good sample size?
a.
1%
b.
5%
c.
6%
d.
10%
Question 23
A sample is taken to conduct a survey of a group of people.
Which of these statements is correct?
a.
Everyone in the group completes the survey.
b.
More than half of the group complete the survey.
c.
Some of the group complete the survey.
Question 24
An investigation is conducted into the use of public transport by people who live in a city.
What is the population in this investigation?
a.
The people who use public transport
b.
The people who live in the city
c.
The people who live in the whole country
Question 25
Is the following statement true or false?
When investigating a prediction, the whole population should never be used.
a.
True
b.
False
Question 26
Complete this working out to find a 10% sample of 600.
10% of 600 =
× 600 = 60
Question 27
A school has 1500 learners. To collect data from the learners, should you ask the whole population or
collect a sample?
a.
Ask the whole population.
b.
Collect a sample.
Question 28
There are 12 bags of apples in a box. You want to record the number of apples in each bag. Should
you take a sample of the bags or count all the bags?
a.
Take a sample.
b.
Count all the bags.
Question 29
There are 12 000 houses in a town. A survey is to be conducted.
Should every house be asked, or should a sample be taken?
a.
Take a sample.
b.
Ask every house.
Question 30
Salman wants to find out if baseball should be introduced as a new sport in his school.
Which method could he use to collect the data?
Select all appropriate methods.
a.
Interview a sample of learners.
b.
Complete an experiment.
c.
Observe learners at break time.
d.
Create a questionnaire for learners to complete.
Question 31
You want to compare the results from a survey in your school by comparing boys' answers to girls'
answers.
There are 420 boys in the school and 380 girls.
Which of these statements is true?
a.
You should ask the same number of boys and girls.
b.
Every student must complete the survey.
c.
You should ask 42 boys and 38 girls.
Question 32
To conduct an experiment to record how fast someone in an athletics club can run 100 m, you take a
sample of 25 people in the club.
How many people are there likely to be in the athletics club?
a.
25
b.
50
c.
250
d.
1000
Question 33
A food delivery company wants to investigate whether customers are satisfied with their service.
Which of these methods could they use to collect data?
Select all the correct answers.
a.
Interview employees of the company.
b.
Interview every customer.
c.
Send a survey by email to a sample of customers.
Question 34
A bread factory tests the quality of its products every day.
Which of these would not be a good method for collecting the data?
Select all the correct answers.
a.
Test all the products for the first hour of the day.
b.
Test one product each hour.
c.
Test a selection of products each day.
d.
Test the first product they make each day.
Question 35
A toy shop wants to discover which toy people prefer.
Which of these surveys would produce a fair result?
a.
Ask boys who come into the shop.
b.
Ask parents of the children in the shop.
c.
Ask ten families in the shop.
d.
Ask people who work in the shop.