Mathew is captain of the drama club and keeps a record of the number of students in the club at the end of each week.
If no students have left the club, how many joined in Week 3?
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Aussie Maths & Science Teachers: Save your time with SmarterEd
Mathew is captain of the drama club and keeps a record of the number of students in the club at the end of each week.
If no students have left the club, how many joined in Week 3?
The goals scored by 4 players in a season of soccer were recorded in the graph below.
Simon scored 6 goals in the season.
Gigi scored 3 goals.
How many more goals did Henry score than Fiona? (2 marks)
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The bottles in Leisa's fridge are pictured below.
Leisa decides to make a graph where each bar represents one type of bottle in her fridge.
Leisa makes an error when creating the graph.
What should Leisa do to correct the error?
During picking season, four groups of people were hired to pick apples.
A group will receive a bonus if they pick more than 24 apples per person in a 10-minute period.
The table below shows the total amount of apples picked by each group in the first 10 minutes.
Which group would have received a bonus in the first 10-minute period?
Each bar on this graph shows the population of a country and the population of its capital city.
The white section is the population that lives in the capital city.
The black section is the population that lives outside the capital city.
Which of the following countries has the highest percentage of its population living in its capital city?
Angus asked all the students in his primary school how far away they lived from school.
He used the results to create the column graph below but left off some labels.
Angus' primary school has 100 students.
How many students lived over 8 km from school? (2 marks)
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This graph shows a company's profit over a four year period.
Which conclusion can be reached from the graph?
The graph shows the origin and type of all vehicles in a city.
Which statement is most accurate based on the graph?
Clive and Alvin asked their friends how many books they had read in the past month.
Clive draws a picture graph to show the results for his friends.
Alvin draws a column graph to show the results for his friends.
How many more of Clive's friends read 3-4 books in the last month than Alvin's friends?
The school canteen wishes to conduct a survey to find out the preferred sandwich fillings of students so they can ensure they are catering to the likes of the students.
Which of the following survey options would provide the most useful information.
A. | |
B. | |
C. | |
D. | |
Which of the following would be best conducted as a sample?
Explain the difference between a census and a sample. (2 marks)
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Explain why a door-to-door survey conducted between the hours of 9 am and 3 pm on a Tuesday may not give results representative of the population. (2 marks)
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The local council is researching possible uses for a large area of land close to an established housing development.
One of the options for the land is a football stadium with a crowd capacity of
The council is considering surveying people as they exit an existing football stadium in a neighbouring town.
Give a reason why this survey may not provide reliable data. (2 marks)
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Min is writing a report regarding the capacity of dams in NSW during 2023 projecting in to 2024. He wishes to include rainfall data for the previous 12 months in each of the catchment areas.
Should Min use primary or secondary sources to obtain this informaiton? Give a reason for your answer. (2 marks)
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Michael is conducting a survey to determine whether his clients are happy with the customer service they receive at his restaurant.
Should Michael use primary or secondary source data for his survey? Give a reason for your answer. (2 marks)
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Explain the difference between continuous and discrete data, giving an example of each. (3 marks)
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The following question was asked in a survey.
'What month were you born?'
How would the responses be classified?
Organisers were choosing relay teams for the regional athletics carnival.
They asked the following question.
'What were the times for the 15 Years boys relay teams at zone athletics carnivals?'
How would the responses be classified?
Which of the following is an example of categorical nominal data?
Which of the following is an example of categorical ordinal data?
Which of the following is an example of numerical continuous data?
Which of the following is an example of numerical discrete data?
State whether the following categorical data is nominal or ordinal.
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a.
b.
c.
d.
a.
b.
c.
d.
State whether the following data is categorical or numerical. If numerical, state whether discrete or continuous.
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a.
b.
c.
a.
b.
c.
Match each variable with its classification on the right. (2 marks)
Classify the following as either categorical or numerical data.
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a.
b.
a.
b.
Which of the following is not an example of categorical data?
What is the term used to describe data that is grouped in categories such as gold, silver and copper? (1 mark)
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Brandon made a dot plot to show the hours he worked over the last 16 weeks.
What is the mean number of hours that Brandon worked over that last 16 weeks? (2 marks)
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The back-to-back ordered stem-and-leaf plot below shows the female and male smoking rates, expressed as a percentage, in 18 countries.
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a.
b.
c.
a.
b.
c. | ||
The variables age (under 55 years, 55 years and over) and preferred travel destination (domestic, international) are
The variables blood pressure (low, normal, high) and age (under 50 years, 50 years or over) are
The variables recovery time after exercise (in minutes) and fitness level (below average, average, above average) are
For an ordered set of data containing an odd number of values, the middle value is always
The total birth weight of a sample of 12 babies is 39.0 kg.
The mean birth weight of these babies, in kilograms, is
The total weight of nine oranges is 1.53 kg.
Using this information, the mean weight of an orange would be calculated to be closest to
The variables
region (city, urban, rural)
population density (number of people per square kilometre)
The cube and cylinder below both have the same volume.
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a.
b.
a. | ||
b.
The cylinder and rectangular prism below both have the same volume.
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a.
b.
a.
b. | ||
A half-cylinder has a height of 44 millimetres and a diameter of 20 millimetres. Calculate the volume of the half-cylinder in cubic centimetres, giving your answer as an exact value in terms of
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A quarter-cylinder has a height of 160 centimetres and a radius of 800 centimetres . Calculate the volume of the quarter-cylinder in cubic metres, giving your answer as an exact value in terms of
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A half-cylinder has a height of 12 centimetres and a radius of 9 centimetres. Calculate the volume of the half-cylinder, giving your answer as an exact value in terms of
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A right cylinder has a height of 100 millimetres and a radius of 1.1 millimetres. Calculate the volume of the cylinder, giving your answer as an exact value in terms of
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A right cylinder has a height of 7 metres and a radius of 4 metres. Calculate the volume of the cylinder, giving your answer as an exact value in terms of
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A right cylinder has a volume of
Give your answer to the nearest whole centimetre. (2 marks)
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A right cylinder has a volume of 22 cubic metres. Calculate the diameter of the cylinder if the height is 7 metres.
Give your answer to the nearest whole metre. (3 marks)
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A right cylinder has a volume of 8482.3 cubic millimetres. Calculate the diameter of the cylinder if the height is 12 millimetres.
Give your answer to the nearest whole millimetre. (3 marks)
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A right cylinder has a volume of
Give your answer to the nearest whole centimetre. (2 marks)
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