PSYCH 240 (Sections A)
: EXAM ONE
Fall, 2008
41 Multiple Choice Questions
NOTE
: Choose the
one best answer
for each question
1)
How are the (X
2
) and [ (X)]
2
different?
a.
These two equations equal the same value
b.
The first is the Square of the Sums and the second is the Sum of the Squares
c.
The first is the Sum of Squared Xs and the second is the Square of the Sum of the Xs
d.
There is no way to know without the actual numbers
For the next four questions, use the following set of numbers and choose from the set of lettered
answers below:
Y
1
= 3 Y
2
= 4 Y
3
= 5 Y
4
= 6 Y
5
= 7
Calculate the following:
2)
Y
i
/N
a
3)
Y
i
for i = 2 to 4
c
4)
(Y
i
Ð M)
2
b
5)
Y
2
Ð NM
2
b
a. 5 b. 10 c. 15 d. 20 e. None of these
6) What is the difference between Descriptive Statistics (DS) and Inferential Statistics (IS)?
a.
DS generalizes and IS summarizes
b.
There is no difference between DS and IS
c.
DS summarizes and IS generalizes
d.
None of the above
For the following three questions, match the term with the appropriate definition:
7)
Variable
a
a. Indicator of possible numbers or categories
8)
Value
b
b. A result of a measurement
9)
Score
c
c. a value for a particular participant
For the following four questions, match the examples to the appropriate terms:
10)
Discrete
d
a. Horse'sÕ numbers at a race track
11)
Continuous
b
b. Between any two values, there are an infinite number of
other possible values
12)
Nominal
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 Spring '08
 HARVEY
 Psychology, Standard Deviation, a. b. c.

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