Module 1, Lesson 2 Quiz: Introduction to Data Attributes

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Question 1 of 5

1. Question
Which of the following is a categorical variable?
- Color
- Annual salary
- Number of deaths
- None of the above
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Question 2 of 5

2. Question
The major difference between ordinal and nominal is:
- The variables in ordinal data are listed in an ordered manner while those of nominals are not.
- The variables in nominal data are listed in an ordered manner while those of ordinals are not.
- Ordinal data are numerical while nominals are not.
- Nominal data are numerical while ordinals are not.
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Question 3 of 5

3. Question
Which of the following is a distinction between ratio and proportion?
- Proportion is represented by a semicolon while ratios are not.
- Ratios can be expressed as percentages while proportions cannot.
- The ratio represents the quantitative relationship between two categories while proportion shows the quantitative relationship between a category and the total.
- The proportion represents the quantitative relationship between two categories while ratio shows the quantitative relationship of a category with the total.
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Question 4 of 5

4. Question
Which of the following is a bivariate visualisation?
- Bar Chart
- Line Graph
- Histogram
- Scatter Plot
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Question 5 of 5

5. Question
What is the major difference between a bar chart and histogram?
- Bar charts are used for numerical data while histograms are not used for numerical data.
- Bar charts are used for numerical data while histograms are used for ordinal data.
- Each column in a bar chart represents a group defined by a categorical variable while the columns of a histogram represent a group defined by a continuous variable.
- None of the above.
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