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MSIS 3223 Exam 1 Questions and Answers (Graded A)
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MSIS 3223 Exam 1 Questions and Answers (Graded A)MSIS 3223 Exam 1 Questions and Answers (Graded A)MSIS 3223 Exam 1 Questions and Answers (Graded A) Covariance - ANSWER-a measure of linear association between two variables, X and Y Correlation - ANSWER-measure of the linear relationship between ...

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  • October 29, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • msis 3223 exam 1 questions and answers

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MSIS 3223 Exam 1 Questions and
Answers (Graded A)
• Appendix A1 and Chapter 1, 2, 3, 4 (100 points)
• 50 Multiple Choice Questions worth 2 points each
• Appendix A1 - 6 MC Questions
• Chapter 1- 10 MC Questions
• Chapter 2 - 3 MC Questions
• Chapter 3 - 8 MC Questions
• Chapter 4- 23 MC Questions

, Covariance - ANSWER-a measure of linear association between two variables, X and Y

Correlation - ANSWER-measure of the linear relationship between two variables, X and
Y, which does not depend on the units of measurement. is measured by the coefficient.

For two variables a __________ correlation coefficient indicates a linear relationship
exists for which one variable increases as the other also increases. - ANSWER-positive

Kurtosis - ANSWER-refers to the peakedness or flatness of a histogram

The coefficient of skewness - ANSWER-measures the degree of asymmetry of
observations around the mean

Skewness - ANSWER-describes the lack of symmetry data

Coeffecient of Variation - ANSWER-provides a relative measure of the dispersion in
data relative to the mean and is defined as CV=Standard Deviation/Mean.

The coefficient of variation provides a relative measure of risk to return. The smaller the
coefficient of variation, the ___________ the relative risk is for the return provided. -
ANSWER-smaller

The reciprocal of the coefficient of variation, called _______________, is often used
because it is easier to interpret. - ANSWER-return to risk

Frequency Distribution - ANSWER-• table that shows the number of observations in
each of several non-overlapping groups. A graphical depiction of this in the form of a
column chart is called a histogram.

Relative Frequency - ANSWER-Frequencies may be expressed as a fraction, or
proportion of the total

Ratio Data - ANSWER-continuous and have a natural zero point. Most business and
economic data, such as dollars and time, fall into this category.

Interval Data - ANSWER-have constant differences between observations and have
arbitrary zero points. allow meaningful comparison of ranges, averages and other
statistics?

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