What are the 4 levels of data?

• Nominal, ordinal, interval, and ratio

• Nominal, discrete, continuous and ratio

• Discrete, continuous, qualitative and quantitative

• Nominal, ordinal, discrete and continuous

The number of students in the ASB class is an example of

• a categorical random variable

• a discrete random variable

• a parameter

• a continuous random variable

If X is the weight of school children sampled in a study, X is an example of

• a statistic

• a categorical random variable

• a discrete random variable

• a continous random variable

The numbers on football player's uniforms is an example of:

• A nominal scale

• An ordinal scale

• An interval scale

• A ratio scale

The rankings of a teams in a rugby tournament is an example of

• A nominal scale

• An ordinal scale

• An interval scale

• A ratio scale

Which of the following is a discrete quantitative variable?

• The types of credit cards a person has

• The total credit card billings of a person in a month

• The number of credit cards a person has

• The petrol expenses of a person in a week

The collection, summarization and presentation of a set of data is an example of

• a parameter

• a statistic

• descriptive statistics

• inferential statistics

The process of using sample statistics to draw conclusions about the population is called

• sampling

• scientific method

• statistical inferences

• descriptive statistics

To estimate the population average income based on the sample average income of 1000 adults is

• an example of inferential statistics

• an example of descriptive statistics

• an example of a statistic

• an example of a parameter

The population mean income of all workers in Malaysia is an example of:

• a sample statistic

• a parameter

• an estimate

• a variable