BANA2081 MODULE 1 QUESTIONS WITH COMPLETE SOLUTIONS
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Course
BANA2081
Institution
BANA2081
BANA2081 MODULE 1 QUESTIONS WITH COMPLETE SOLUTIONS
Statements about the proportion of data values that must be within a specified number of standard deviations of the mean can be made using - Answer-Chebyshev's Theorem
In a five number summary, which of the following is not used for data summ...
BANA2081 MODULE 1
QUESTIONS WITH
COMPLETE SOLUTIONS
Statements about the proportion of data values that must be within a
specified number of standard deviations of the mean can be made using -
Answer-Chebyshev's Theorem
In a five number summary, which of the following is not used for data
summarization? - Answer-The mean
A box plot is a graphical representation of data that is based on - Answer-five
number summary
In a box plot, data value x is considered an outlier if - Answer-X<Q1-
1.5(IQR) or X>Q3+1.5(IQR)
A numerical measure of linear association between two variables is the -
Answer- Covariance
If the data distribution is symmetric, what is the skewness? - Answer-0
When the data are skewed to the right, the measure of Skewness will be -
Answer- Positive
When data are positively skewed, the mean will usually be - Answer-Greater
than the median
The empirical rule states that, for data having a bell shaped distribution, the
percentage of data values being within one standard deviation of the mean
is approximately - Answer-68%
The can be interpreted as the number of standard
deviations a data value is from the mean of all the data values - Answer-
Z-score
An unusually small or unusually large data value is called - Answer-An outlier
The correlation coefficient ranges between - Answer--1 to +1
Functionality in interactive data dashboards that allows the user to access
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