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BUSI 2305 Business Statistics: Exam #1 Ch 1-7 & Exam #2 Ch 8-15 $7.99
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BUSI 2305 Business Statistics: Exam #1 Ch 1-7 & Exam #2 Ch 8-15

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This document covers Exam Chapters 1-15 and includes 90 questions and answers (45 questions for Exam #1 and 45 questions for Exam #2). You will have 1.5 hours to complete each exam and it is open-book. Note: There will be no make-up exams. Be sure you are taking the exam somewhere you have adeq...

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  • July 5, 2023
  • 5
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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BUSI-2305 Exam #1: Ch 1-7 (1.5 hours, 45 questions) 96/100
1. The process of capturing, storing, and maintaining data is known as
a. data warehousing.
2. The subject of data mining deals with
a. methods for developing useful decision-making information from large data bases.
3. The entities on which data are collected are
a. elements.
4. All the data collected in a particular study are referred to as the
a. data set.
5. Quantitative data
a. are always numeric.
6. In a sample of 800 students in a university, 240 or 30% are Business majors. The 30% is an example of
a. descriptive statistics.
7. A survey to collect data on the entire population is a(n)
a. census.
8. Data dash-board is an analytical technique that falls in the category of _____ analytics.
a. Predictive
9. Which of the following is a categorical variable?
a. Your Social Security Number
10. A frequency distribution is a tabular summary of data showing the _____ of items in several classes.
a. Number
11. A tabular summary of a set of data showing the fraction of the total number of items in several classes is a _____
distribution.
a. relative frequency
12. The percent frequency of a class is computed by
a. multiplying the relative frequency by 100.
13. The most common graphical presentation of quantitative data is a
a. histogram.
14. Data that provide labels or names for categories of like items are known as _____ data.
a. Categorical
15. In a scatter diagram, a line that provides an approximation of the relationship between the variables is known as
a _____ line.
a. trend
16. Which of the following is a graphical summary of a set of data in which each data value is represented by a dot
above the axis?
a. Dot plot
17. Which of the following graphical methods shows the relationship between two variables?
a. Crosstabulation
18. A sample of fifteen 7-year old boys shows their favorite superheroes:

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