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WorksheetsClassifying and Representing Data
Total questions: 15
Worksheet time: 32mins
Which one of these is an example of categorical data?
The age of a student.
The length of a playground.
The colour of a wall.
The capacity of a swimming pool.
The type of data that uses words and not numbers.
Quantitive
Continuous
Discrete
Categorical
‘The number of people on your contact list’. What is the classification for this data?
Categorical
Continuous
Discrete
Text
Which one of the following data sets is not discrete?
Age in years.
Mass of a person.
Number of subjects studied.
Shoe size of a person.
Which of the following is an example of selecting a systematic sample?
Five names from a phone book.
Five people who entered the supermarket.
Five people living in Parramatta.
every 5th name from a class list.
Which of the following is an example of a random sample?
Names of three children drawn from a container
First three children wearing blue clothing.
Three children with brown eyes.
Three children who have a dog.
Selecting every 10th person from an alphabetical list. This is an example of a:
Random sample
Self-selecting sample
Stratified sample
Systematic sample
What is the class centre for the class 85-89?
4
85
87
89
What is the cumulative frequency of class 95-99?
6
9
15
99
Blake spends the following amounts each day: $5.30, $4.40, $4.50, $5.00, $3.80, $4.80. What is the median?
$4.10
$4.40
$4.65
$4.75
The number of cups of coffee drunk in a week was recorded for 20 people. The results have been organised into a frequency table as shown above. Some information is missing.
The percentage of people who drank 20
20 or more cups of coffee is:
6%
11%
12%
30%
The histogram above shows the distribution of the number of days per week which people in a particular town drove a car. How many people drove a car been 12 and 24 times per week?
14
21
24
29
The dot plot gives the sizes of 13 different classes at school.
The percentage of classes with no more than 21 students is closest to:
15%
31%
62%
69%
The stem plot below shows the distribution of strike rates (runs/100 balls) for 18 cricketers.
The median strike rate is:
60
61
62
63
A store has 208 female employees and some male employees. The store uses a stratified sample to survey 25
of its employees in which 13 of them are female and the rest are male. How many male employees are in the store?
192
156
400
Cannot be calculated
