3.5, 3.8 and 4.0. The distribution is most likely to be: a. Symmetrical b. Positive skewed c. Negative skewed

The probability distribution of returns from a stock is given in the following table:
Probability mean, median, and mode of a distribution
Returns

15%
-10%

25%
-4%

20%
6%

40%
Y %

What is the value of ‘Y’ if the expected return from the stock is 8%?
a. 10.75 b. 16.00 c. 23.25

The art and science of collecting, analyzing, presenting, and interpreting data is …………
Data collection b. Research c. Statistics
The branch of statistics that gives us methods and tools to make predictions, estimates, and inferences about populations is ….
Quantitative b. Inferential c. Descriptive
The facts and figures collected, analyzed, and summarized for presentation and interpretation are ………………………….
Data b. Variables c. Distribution
The dividing line between adjacent classes in a frequency distribution is the class ……
Size b. Mid-point c. Boundary
When drawing a histogram for an unequal class interval the height is taken from the
Frequency model b. Frequency size c. Frequency density
The diagram generated when cumulative frequencies are plotted against real limits of classes in a distribution is
Spurious graph b. Line graph c. Ogive
The median of a distribution can easily be found using the ………………
Ogive b. Histogram c. Frequency polygon
The circular diagram which essentially displays the relative proportions of classes of a given sample or population is
Histogram b. Bar chart c. Pie chart
The calculated mean for a distribution could be any of the following except
Geometric b. Harmonic c. Symphonic
Use the following data to answer questions 12 to 15. S. B. Corporation annual stock returns
2013
2014
2015
2016
2017
2018

22%
5%
-7%
11%
2%
11%

What is the arithmetic mean return for S. B. Corporation stock?
7.3% b. 8.0% c. 11.0%
What is the median return for S. B. Corporation stock?
7.3% b. 8.0% c. 11.0%
What is the mode of the returns for S. B. Corporation stock?
7.3% b. 8.0% c. 11.0%
What is the range for S. B. Corporation stock?
a. 11.0% b. 22.0% c. 29.0%
Events that cannot happen together at the same time is
Exhaustive events b. exclusive events c. non-exclusive events
A probability where the occurrence of one event affects the probability of the occurrence of another event is
Conditional b. Joint c. Exclusive
Which of the following values cannot be the probability of an event?
0.00 b. 1.00 c. 1.25
If events A and B are mutually exclusive, then:
P(A/B) = P(A) b. P(AB) = P(A) × P(B)c. P (A or B) = P(A) + P (B)
At a charity ball, 800 names are put into a hat. Four of the names are identical. On a random draw, what is the probability that one of these four names will be drawn?
0.004 b. 0.005 c. 0.01