WorksheetsYear 9 Numeracy Skills SP7/8
Total questions: 10
Worksheet time: 10mins
L4
Fifty students were surveyed about part-time jobs.
· 21 mowed lawns
· 25 babysat
· 11 did not have a part-time job
The diagram is missing some information.
How many students both mowed lawns and babysat?
(a)
L4
The table shows the maximum and minimum temperatures for four towns, one day last winter. Which town had the biggest difference between its maximum and minimum temperature?
Sullivan
Lotus
Paxton
Kenton
L4
This graph shows the number of people in Australia, in millions, who spoke languages other than English at home, from 1996 to 2016. Which of these statements about the graph is true?
More than three times as many people spoke these languages in 2016 as in 1996
The number of people who spoke these languages at home increased by less than 400 000 from 2001 to 2006.
The number of people who spoke these languages at home increased more per year between 1996 and 2001 than at any other time.
L5
The average (mean) of six numbers is 4. When one of the numbers is left out the average changes to 3. What number is left out?
3
4
7
9
L5
This sector graph was drawn to show the results when 60 people were asked what their favourite type of movie was. How many people chose sci-fi movies?
(a)
L5
Jane spins the arrow of this spinner 24 times. She records the colour the arrow lands on each time. Which table displays the most likely results?
L6
The median of the scores 5, 9, 2, X, 9 and 3 is 6. What is the value of X?
(a)
L6
Ten critics judges a new film as a score out of 10 and the results are listed:
5 5 6 6 7 7 7 8 9 10
Which of the following is true?
A) Mean = Mode > Median
A) Mean = Mode = Median
A) Mean < Mode < Median
A) Mean < Mode = Median
L6
The range of 3 scores is 10. The smallest score is 4 and the median is 6. What is the mean of the scores?
(a)
L6
The stem and leaf plot shows the mass (in kilograms of a number of students).
The mass of another student is included in the stem and leaf plot. If the mass is 44kg, what effect does it have on the mean and mode?
Mean decreases and Mode decreases
Mean increases and Mode is unchanged
Mean decreases and Mode is unchanged
Mean decreases and Mode increases
