PART III. Assessment
d. reliability
d. variance
a.
b. range
b. square
...
Mathematics, 07.07.2021 19:30 yahnna8
PART III. Assessment
d. reliability
d. variance
a.
b. range
b. square
Directions: Write the letter of the correct answer.
1. It is a measure that indicates the extent to which numerical data are spread out
about the average value in a data set.
a. central tendency b. consistency
C. variability
2. Which of the following is not a measure of variability?
a. mean b. mean deviation
c. standard deviation
_3. It is a measure of variability that you get when you subtract the smallest number
in a set of data from the largest number.
mean deviation
c. standard deviation
d. variance
4. Standard deviation is always the
of variance.
a. square root
c. median of
d. mean of
5. If the variance of a data set is 34, what is the standard deviation?
a. 4
b. 8
c. 32
d. 4096
6. If the standard deviation of a data set is 4, what is the variance?
a. 2
b. 4
b. 8
d. 16
-7. If the range of the set of scores is 28 and the lowest score is 9, what is the
highest score?
a. 36
c. 38
d. 39
8. Mrs. Aguilar has just given a Mathematics exam, and wants to calculate the
"range of performance of her students. What must she do?
a. Identify the central score.
b. Find the score that occurs most.
c. Subtract the lowest score from the highest score.
d. Add the lowest and the highest score,
b.37
Answers: 1
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