What kind of display is this? multiple choice 1 Line chart Column cha
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
Item 9
(a) What kind of display is this?
multiple choice 1
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Line chart
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Column chart using pictures for columns
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Scatter plot
(b-1) Identify its strengths, using the tips and checklists shown in this chapter. (You may select more than one answer. Click the box with a check mark for the correct answer and double click to empty the box for the wrong answer.)
check all that apply 1
- Label on Y-axis
- Label on X-axis
- Zero origin
- Non-zero origin
- Short descriptive title
- Detailed
- Accurate source
(b-2) Identify its weaknesses, using the tips and checklists shown in this chapter. (You may select more than one answer. Click the box with a check mark for the correct answer and double click to empty the box for the wrong answer.)
check all that apply 2
- No source
- Dramatic title
- Distracting pictures
- Use of area trick, which makes 2015 losses seem much greater than 2005 losses.
(c) Would a different type of display be better?
multiple choice 2
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Regular column chart
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Scatter plot
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Pie chart
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