QUESTION 1 . Why do we use the median? . A . the median is always preferable to

Question

QUESTION 1

   .   Why do we use the median?

. A

.   the median is always preferable to the mean

.B

.   the median measures variability in the sample

C

.   the median can never be a negative number

D

.   the median is insensitive to extreme scores

   .  
QUESTION 2

.   "All other things being equal, use the ___ to represent the center value."

A

.   mode

B

.   mean

C

.   median

D

.   standard deviation

   .  

QUESTION 3

   .   The symbol for the mean is called

A

.   meta

B

.   X-bar

C

.   "the Greek letter ""sigma"""

D

.   big M

   .  

QUESTION 4

"The standard deviation tells us how much each score in a set of scores, on average, ___. "

A.

varies from the mean

B.

is a frequency

C.

is the square root of the mean

D.

is skewed or biased

QUESTION 5

The variance is a ___.

A.

good indicator of the center position in a distribution

B.

better measure than the standard deviation

C.

straightforward number to interpret

D.

difficult number to interpret

. A

.   the median is always preferable to the mean

.B

.   the median measures variability in the sample

C

.   the median can never be a negative number

D

.   the median is insensitive to extreme scores

Explanation / Answer

1. The median may be more useful than the mean when there are extreme values in the data set as it is not affected by the extreme values.

Hence answer is D. the median is insensitive to extreme scores

2. All other things being equal, use the B. mean to represent the center value.

3. The symbol for the mean is called B. X-bar

4. The standard deviation tells us how much each score in a set of scores, on average, A. varies from the mean

5.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.