Prelim Standard 2 Classifying and Representing Data

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A survey asked the following question.‘How many brothers do you have?’ How would the responses be classified?

1 point

Categorical, ordinal

Categorical, nominal

Quantitative, discrete

Quantitative, continuous

Clear selection

In a study of teenagers’ attitudes about social media, a researcher collected data from survey questionnaires given to teenagers who had volunteered. What type of sampling was used?

1 point

Stratified

Systematic

Self-selecting

Simple random

Clear selection

A survey asked the following question: ‘What is your place of birth?’ How would the responses be classified?

1 point

Categorical, ordinal

Categorical, nominal

Quantitative, discrete

Quantitative, continuous

Clear selection

A school collected data related to the reasons given by students for arriving late. The Pareto chart shows the data collected. What percentage of students gave the reason ‘Train or bus delay’?

1 point

15%

30%

92%

Clear selection

A question from a questionnaire used in a survey is shown below. What type of data is being collected by this question?

1 point

Categorical, nominal

Categorical, ordinal

Quantitative, continuous

Quantitative, discrete

Clear selection

Which of the following is NOT an example of a quantitative continuous data type?

1 point

Height of buildings

Body Mass

Annual Rainfall

Shirt Sizes

Clear selection

A high school has 125 students in each year group Year 7 to Year 12. A survey is to be conducted to determine the average number of hours per week of study by students at the school. Which of the following would provide the most representative sample for the survey?

1 point

Random sample

Systematic sample

Stratified sample

Census

Clear selection

Claire collected data about the amount of rain that fell over a number of days in Sydney. This data can be best described as being:

1 point

Discrete quantitative data

Continuous quantitative data

Nominal categorical data

Nominal ordinal data

Clear selection

Handmade Christmas cards are checked for size and shape. Every 25th card is sampled. Which term best describes this type of sampling?

1 point

Census

Stratified

Random

Systematic

Clear selection

A gym gathered information from their members on their height and weight. Which of the following is true?

1 point

Only weight is discrete data

Only height is continuous data

Both height and weight are discrete data

Both height and weight are continuous data

Clear selection

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