Although a scatterplot can be more difficult to read than a line graph, it displays more information. Explain why.
Q. 2What does each dot on a scatterplot represent, in terms of both the individuals and their measurements?
Q. 3Name three types of statistical pictures that are used to represent measurement data.
Q. 4A __________ is like a bar graph except that it uses pictures related to the topic of the graph.
Fill in the blank(s) with correct word
Q. 5A __________ can be used to represent two or three categorical variables simultaneously.
Fill in the blank(s) with correct word
Q. 6Which of the following is not possible to include on a bar graph?
a. Frequency in each category for a categorical variable.
b. Information representing two or three categorical variables simultaneously.
c. Proportions that are not required to sum to 100.
d. All of the above are possible with a bar graph.
Q. 7Which of the following is not a type of picture for organizing categorical data?
a. A pie chart.
b. A bar graph.
c. A pictogram.
d. A histogram.
Q. 8The focus of each type of data picture for categorical data is conveying information about the relative size of groups compared to each other. Explain what is meant by relative size.'
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