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Business Statistics: Communicating with Numbers (2nd Edition, Jaggia) – Full Test Bank – Complete Exam Questions and Answers

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This document contains a complete test bank for Business Statistics: Communicating with Numbers (2nd Edition) by Jaggia. It includes organized exam-style questions and answers covering the full range of chapters and core statistical concepts used in business applications. The material focuses on descriptive statistics, probability, inference, regression, and data interpretation for business decision-making. It is designed to support exam preparation, revision, and practice for students in business statistics courses.

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20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
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- converted_organized.pdf
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DOWNLOAD THE Test Bank for Business Statistics Communicating with
Numbers 2nd Edition Jaggia


Chapter 02
1. A frequency distribution for qualitative data groups these data into classes called intervals and

records the total number of observations in each class.



True False


2. The relative frequency of a category is calculated by dividing the category's frequency by the total
number of observations.



True False


3. The percent frequency of a category equals the frequency of the category multiplied by 100%.



True False


4. A pie chart is a segmented circle that portrays the categories and relative sizes of some
quantitative variable.



True False


5. A bar chart depicts the frequency or relative frequency of each category of qualitative data as a

bar rising vertically from the horizontal axis. It is also acceptable for the bar to extend horizontally
from the vertical axis.



True False




mynursytest.store
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf

,20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf
DOWNLOAD THE Test Bank for Business Statistics Communicating with
Numbers 2nd Edition Jaggia
6. A bar chart may be displayed horizontally.



True False


7. To approximate the width of a class in the creation of a bar chart, we may use this formula:




True False


8. For quantitative data, a relative frequency distribution identifies the proportion of observations that

fall into each class.



True False


9. For quantitative data, a cumulative relative frequency distribution records the proportion (fraction)

of values that fall below the upper limit of each class.



True False


10. A histogram is a series of rectangles where the width and height of each rectangle represent the
frequency (or relative frequency) and the width of the class, respectively.



True False




mynursytest.store
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf

,20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf
DOWNLOAD THE Test Bank for Business Statistics Communicating with
Numbers 2nd Edition Jaggia
11. A polygon connects a series of neighboring points where each point represents the midpoint of a

particular class and its associated frequency or relative frequency.



True False


12. An ogive is a graph that plots the cumulative frequency (or the cumulative relative frequency) of

each class above the lower limit of the corresponding class.



True False


13. A stem-and-leaf diagram is useful in that it gives an overall picture of where quantitative data are
centered and how the data are dispersed from the center.



True False


14. A scatterplot is a graphical tool that helps determine whether or not two quantitative variables are

related.



True False


15. When constructing a scatterplot for two quantitative variables, we usually refer to one variable as

x and another one as y. Typically, we graph x on the vertical axis and y on the horizontal axis.


True False


16. When constructing a pie chart, only a few, the most frequent, categories must be included in the
pie.



True False




mynursytest.store
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf

, 20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf
DOWNLOAD THE Test Bank for Business Statistics Communicating with
Numbers 2nd Edition Jaggia
17. When summarizing quantitative data it is always better to have up to 30 classes in a frequency

distribution.



True False


18. Scatterplot is a graphical tool that is focused on describing one variable.



True False


19. Frequency distributions may be used to describe which of the following types of data?




A. Nominal and ordinal data only

B. Nominal and interval data only

C. Nominal, ordinal, and interval data only

D. Nominal, ordinal, interval, and ratio data


20. In order to summarize qualitative data, a useful tool is a __________.




A. histogram

B. frequency distribution

C. stem-and-leaf diagram

D. All of the above




mynursytest.store
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
20231108155907_654bb04b7b340_test_bank_for_business_statistics_communicating_with_numbers_2nd_edition_jaggia_full_chapter
- converted_organized.pdf
- converted_organized.pdf
- converted_organized.pdf

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