th
, 2011
(Chapters 3 and 4)
True/False questions carry 1.5 points each, Multiple Choices carry two points each and the
Essay type questions carry 5 points each. The total score is 50 points. I will round up if
your total score is in decimals.
True/False
Chapter 3
1
. The income distribution is skewed to the right; therefore the Median Income
must be less than the Mean Income.
F
2
. The range of the measurement is the largest measurement plus the smallest
measurement.
F
3
. The mean is said to be more resistant to extreme values.
T
4
. If there are 5 classes in a frequency distribution then the third class does not
necessarily contain the median.
F
Chapter 4
5
. The probability of an event is the multiplication (or product) of the probabilities
of the sample space outcomes that correspond to the event.
F
6. If events A and B are independent, then P(A/B) is always equal to zero.
F
7. If events A and B are mutually exclusive, then P(A/B) is always equal to zero.
T
8. Events that have no sample space outcomes in common and, therefore cannot
occur simultaneously are referred to as independent events.
F
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign up
to
access the rest of the document.
 Spring '11
 sda

Click to edit the document details