What is a bar graph?
Which axis should always start with zero?
Why is the ordinal scale not meaningful?
What is a scattergram used for?
What is the best means for presenting data for quick visualization of relationships?
What is a pie chart?
What are the four types of data?
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What is a bar graph?
A graphic technique used to display frequency distributions of nominal or ordinal data that fall into categories; also called bar graph.
Which axis should always start with zero?
3. categories should be natural- the vertical axis should always start with zero. the scale of the values for the x axis reads from the lowest value on the left to highest on the right.
Why is the ordinal scale not meaningful?
this is because the intervals or distances between categories are not necessarily equal. Example, head injuries may be classified according to level of severity...where 4 is fatal, 3 is severe, 2 moderate and 1 minor.
What is a scattergram used for?
Used to graphically show the relationships between two numerical variables. a scattergram is used to determine whether there is a correlation or relationship between two characteristics.
What is the best means for presenting data for quick visualization of relationships?
graphs of various types are the best means fro presenting data for quick visualization of relationships.
What is a pie chart?
Pie chart/ Pie graph. A graphic technique in which the proportions of a category are displayed as portions of a circle.
What are the four types of data?
Four types of data (nominal, ordinal, interval, and ratio) that represent values or observations that can be sorted into a category; also called scales of measurement.
What is a bar graph?
A graphic technique used to display frequency distributions of nominal or ordinal data that fall into categories; also called bar graph.
Which axis should always start with zero?
3. categories should be natural- the vertical axis should always start with zero. the scale of the values for the x axis reads from the lowest value on the left to highest on the right.
Why is the ordinal scale not meaningful?
this is because the intervals or distances between categories are not necessarily equal. Example, head injuries may be classified according to level of severity...where 4 is fatal, 3 is severe, 2 moderate and 1 minor.
What is a scattergram used for?
Used to graphically show the relationships between two numerical variables. a scattergram is used to determine whether there is a correlation or relationship between two characteristics.
What is the best means for presenting data for quick visualization of relationships?
graphs of various types are the best means fro presenting data for quick visualization of relationships.
What is a pie chart?
Pie chart/ Pie graph. A graphic technique in which the proportions of a category are displayed as portions of a circle.
What are the four types of data?
Four types of data (nominal, ordinal, interval, and ratio) that represent values or observations that can be sorted into a category; also called scales of measurement.
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