Question

In: Statistics and Probability

15. Which of the following divides quantitative measurements into classes and graphs the frequency, relative frequency,...

15. Which of the following divides quantitative measurements into classes and graphs the frequency, relative frequency, or percentage frequency for each class?

Multiple Choice

  • histogram

  • dot plot

  • stem-and-leaf display

  • scatter plot

16. The number of items rejected daily by a manufacturer because of defects for the last 30 days are:

20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 8

How many classes should be used in constructing a histogram?

Multiple Choice

  • 6

  • 5

  • 7

  • 4

18. When developing a frequency distribution, the class (group) intervals must be ________.

Multiple Choice

  • large

  • small

  • integer

  • nonoverlapping

  • equal

19. Which of the following graphical tools is not used to study the shapes of distributions?

Multiple Choice

  • stem-and-leaf display

  • scatter plot

  • histogram

  • dot plot

21. Which one of the following graphical tools is used with quantitative data?

Multiple Choice

  • bar chart

  • histogram

  • pie chart

  • Pareto chart

22. An example of manipulating a graphical display to distort reality is ________.

Multiple Choice

  • starting the axes at zero

  • making the bars in a histogram equal widths

  • stretching the axes

  • adding an unbiased caption

23. A ________ shows the relationship between two variables.

Multiple Choice

  • stem-and-leaf

  • bar chart

  • histogram

  • scatter plot

  • pie chart

25. As a general rule, when creating a stem-and-leaf display, there should be ______ stem values.

Multiple Choice

  • between 3 and 10

  • between 1 and 100

  • no fewer than 20

  • between 5 and 20

Solutions

Expert Solution

15. Which of the following divides quantitative measurements into classes and graphs the frequency, relative frequency, or percentage frequency for each class?

- An Histogram divides quantitative measurements into classes and graphs the frequency, relative frequency, or percentage frequency for each class

16. The number of items rejected daily by a manufacturer because of defects for the last 30 days are:

20, 21, 8, 17, 22, 19, 18, 19, 14, 17, 11, 6, 21, 25, 4, 19, 9, 12, 16, 16, 10, 28, 24, 6, 21, 20, 25, 5, 17, 8

How many classes should be used in constructing a histogram?

- 5

When we have small set of data we use 5 classes whereas we use 20 classes for larger data set

18. When developing a frequency distribution, the class (group) intervals must be

- non overlapping

The class intervals must be non overlapping to avoid confusion for boundary values

19. Which of the following graphical tools is not used to study the shapes of distributions?

- Scatter plot is not used to study the shapes of distributions.It is used to determine the relationship between two variables

21. Which one of the following graphical tools is used with quantitative data?

- Histogram is used with quantitative data

22. An example of manipulating a graphical display to distort reality is ________.

- Stretching the axes changes the appearance of graphical display

23. A ________ shows the relationship between two variables.

- Scatter plot shows the relationship between two variables

25. As a general rule, when creating a stem-and-leaf display, there should be ______ stem values.

- when creating a stem-and-leaf display, there should be between 5 and 20 stem values

orchestra answered 2 years ago
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