Question details

STAT200-WK6-QUIZ-2
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STAT 200

1.  What is the BEST measure of the central tendency for the following set of numbers:

18, 34, 56, 67, 875

 

a. Mean

b. Median

c. Mode

d. Standard Deviation

e. None of above

 

2.  Which of the following is/are measure(s) of variability? (select all that apply)

 

a. mean

b. range

c. mode

d. variance

e. linear transformation

 

3.  For a set of numbers, if the mean is equal to the median, its distribution might be:

 

a. Right-skewed

b. Left-skewed

c. Normally distributed

d. Positively-skewed

 

4.  In the graph, there are two distrubitions and we can tell (check all that apply):

 

a. The mean of distribution A> the mean of distribution B

b. The mean of distribution A < the mean of distribution B

c. The standard deviation of distribution A> the std deviation of distribution B

d. The standard deviation of distribution A= the st deviation of distribution B

 

5.  Which of the following can measure variability? (Select all that apply)

 

a. mean

b. median

c. range

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