Chapter 1 Quiz

Two hundred people were asked about their attitude to compulsory voting (support, no opinion, do not support) and their age (in years). The variables ATTITUDE and AGE are:

Both categorical

Both numerical

Categorical and numerical respectively

Numerical and categorical respectively

Two hundred people were asked about their attitude to compulsory voting (support, no opinion, do not support) and their age (in years). The most appropriate way to graphically display the information for AGE would be:

A histogram

A bar chart

A dot plot

A segmented bar chart

The variables HEAD DIAMETER (in cm) and SEX (male, female) are:

Both categorical variables

Both numerical variables

Ordinal and nominal variables respectively

Continuous and nominal respectively

The responses of the two hundred people who were asked about their attitude to compulsory voting have been organised into a frequency table as shown below. Some information is missing. The percentage of people who supported compulsory voting is:

15.3%

27%

76.5%

90%

The percentage of the people in Sassafras who were aged 20 to 29 years in 1986 was closest to:

14%

18%

29%

The percentage of people in Sassafras who were aged less than 20 years in 1986 was closest to:

15%

20%

24%

34%

In 1986, 1459 people lived in Sassafras. The number of residents under ten years of age was closest to:

729

277

143

Australia’s per capita CO2 emissions in 2011 were 16.8 tonnes. In which column of the histogram would Australia be located?

-0.5 to < 0

0 to <0.5

0.5 to <1

1 to <1.5

The percentage of countries with per capita CO2 emissions of under 10 tonnes is closest to:

88%

60%

31%

17%

The distribution of ages for the population of Australia in 1986 is shown in the histogram below. Use the histogram to help you complete the report on the distribution of ages in terms of shape, centre and spread. (Copy and paste this template then fill in the blanks : Report: The distribution of ages of the population of Australia in 1986 is ____________. There are no outliers. The centre of the age distribution is approximately ____ years. The distribution has a spread of approximately ____ years.)

Complete a frequency table for this data and upload it as a word document below. Include a tally and a percentage frequency column.

Drop your file here or click to select

Use the ClassPad simulator to complete a frequency bar chart for the above information. Upload a screenshot of your completed frequency bar chart below.

Drop your file here or click to select

The brain weight (in g) of a mouse is 0.4 g. What value would be plotted on the log scale? Include your working out in your written answer

The brain weight (in g) of an African elephant is 5712 g. What is the log of this brain weight (to two significant figures)? Include your working in your written answer

What brain weight (in g) is represented by the number 2 on the log scale? Show your working in your written answer.

What brain weight (in g) is represented by the number –1 on the log scale? Show your working in your written answer

Use the histogram to determine the number of these animals with brain weights: over 1000g, between 1 and 100g, and under 10g

Chapter 1 Quiz

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