Exam 9: Plots, Graphs, and Pictures

The 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.'

Why is it important for a manufacturer to know about any seasonal component to the time series of the sales of their product?

How does a time series plot differ from a histogram?

Name three types of statistical pictures that are used to represent measurement data.

A(n) __________ is a good way to represent measurement data as it changes over time.

Name two questions you should ask to avoid being misled when reading time series data.

The following is an example of what type of data picture?

Which of the following is not possible to include on a bar graph?

Units of measurement are important.If a graph showed the number of crimes in each state for a given year, this would be misleading; the __________ should be reported instead.

A __________ can be used to represent two or three categorical variables simultaneously.

For Questions use the following narrative Narrative: Pick 3 lottery The Kansas Pick 3 Lottery results through 3/15/97 are shown in the table below.In this game, three numbers are drawn each week, and numbers can be repeated (such as 2, 3, 3). -{Pick 3 lottery narrative} Display the data in a bar graph that makes the point that each number is drawn about the same percentage of the time.

Even if you were to account for the trend, seasonal components, and smooth irregular cycles, you would still not be able to perfectly explain or predict a time series plot.Why not?

Which of the following would automatically mean a statistical picture is misleading?

Many time series measure variables that either increase or decrease steadily across time.This steady change is called a(n) __________.

What is wrong with the following histogram? SHAPE \* MERGEFORMAT

The following is an example of what type of data picture?

Which of the following is not a characteristic of a good plot, graph, or picture of data?

How can a time series plot mislead the reader into thinking that a trend in the data is long term, when in fact it is only short term?

Which of the following is not a type of picture for organizing categorical data?

What does each dot on a scatterplot represent, in terms of both the individuals and their measurements?