MSIS 3223 Exam 2 Review Questions With Complete
Solutions
binomial distribution Correct Answer can assume differences
in the amount of skewness depending on the parameters
Classical Definition of Probability Correct Answer If the
process that generates the outcome is known, probabilities can
be deduced from theoretical arguments
continuous random variable Correct Answer has outcomes over
one or more continuous intervals or real numbers
cyclical effect Correct Answer describe ups and downs of long
periods of time, such as several years
Delphi Method Correct Answer uses a panel of experts whose
identities are hidden from each other, to respond to a sequence
of questionaires
Discrete random variable Correct Answer a variable for which
the number of possible outcomes can be counted
Excel's regression tool Correct Answer can be used for both
simple and multiple linear regressions
Expected Value Correct Answer corresponds to the mean or
average of a sample; can be helpful in making a variety of
decisions
, Exponential Functions Correct Answer have the property that
Y rises or falls at constantly increasing rates
False Correct Answer in a normal distribution, the mean,
median, and mode are not equal
False Correct Answer The more scattered the data, the smaller
the standard error
Historical analogy Correct Answer uses previous experience
with similar products to determine how to launch a new product
Index Correct Answer a single measure that weighs multiple
indicators, thus providing a measure of overall expectation.
Interaction Correct Answer Occurs when the effect of one
variable is dependent on another variable
Linear Functions Correct Answer _____ show steady increase
or decrease over the range of x and is the simplest type of
function used in predictive models
Logarithmic Function Correct Answer used when the rate of
change in a variable increases or decreases quickly and then
levels out
Multiple R and R Square Correct Answer are called the
multiple correlation coefficient and the multiple determination.
Multiple Regression Correct Answer a regression model that
involves two or more independent variables
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