AnswersPsychology ADescriptive and Inferential Statistics

Descriptive and Inferential Statistics Answers

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The average distance between the variable scores and the mean in a set of data is the __________.

A
range
B
standard deviation
C
mean
D
median
2
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The average value of a given set of data is the mode.

A
T
B
F
3

In a normal distribution, the mean, median, and mode are the same value.

A
T
B
F
4

A researcher may claim a causal relationship between variables if one variable influences another.

A
T
B
F
5

A __________ score allows a researcher to compare scores across different scales.

A
raw
B
distributed
C
standard
D
deviated
6

A _________ is a graphical representation of association between variables.

A
scatterplot
B
correlation plot
C
graphical plot
D
variable plot
7

If Emma received a standard score on a test that was ranked in the 82nd percentile, it indicates that __________.

A
18% of students scored lower than Emma
B
82% of students scored lower than Emma
C
Emma received a B on her test
D
Emma answered 18% of the test questions wrong
8

A specific factor having a range of possible values is a __________.

A
variable
B
mean
C
median
D
mode
9

The middle score in a set of given data is the __________.

A
mean
B
median
C
mode
D
range
10

The range and standard deviation of a distribution are __________.

A
measures of central tendency
B
measures of variability
C
types of transformed scores
D
types of percentiles

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