ANSWER THE FF. CHOOSE

6.If you were going to describe the findings of a survey about what the annual income is for the people of Quezon City, in which you have both extremely wealthy and poor people, which two measures would you use?

the mean and the mode

the mean and the standard deviation

the median and the range

the mode and the standard deviation

7.The standard deviation of 25 scores was 10, and the mean was 81. What was the variance?

5

3.162

2.5

100

8.The major strength of the standard deviation is that

it uses all the observations in its calculation

it is not unduly influenced

both a and b

none of the above

9.The standard deviation is

the square of the variance

two times the variance

half the variance

the square root of the variance

10.If the original data are measured in pounds, the variance is

also measured in pounds

measured in pound squared

measured in half pounds

none of the above