Table 2 Class Interval (0)
Х
f
cf
Ib
49 - 50
49.5
ده
148.5
18.
48.5
47 - 48
47.5
1
47.5
15
46.5
45 - 46
45.5
91.0
14
44.5
43 - 44
43.5
a w N
130.5
12
42.5
41 - 42
41.5
207.5
9
40.5
39 - 40
39.5
4
158.0
4
39.5
i =
=
n =
Efx =
1. What is the mean of the given data? A. 41.5
B. 42.5
C. 43.5
D. 44.5
2. What is the median of the given data? A. 41.5
B. 42.5
C. 43.5
D. 44.5
3. Which measure of variability would be used to compute the average distance of the scores from the mean?
A standard deviation
C. variance
B. the range
D. average deviation
4. What measure of variability is the average square distance of the scores from the mean?
A. mean deviation
C. variance
B. standard deviation
D. the range
5. Which of the following illustrate a property of standard deviation?
A. For data with approximately the same as median.
B. Standard deviation is always negative
C. Standard deviation is not sensitive to outliers.
D. Standard deviation is only used to measure spread or dispersion around the mean of a data set.
Х
f
cf
Ib
49 - 50
49.5
ده
148.5
18.
48.5
47 - 48
47.5
1
47.5
15
46.5
45 - 46
45.5
91.0
14
44.5
43 - 44
43.5
a w N
130.5
12
42.5
41 - 42
41.5
207.5
9
40.5
39 - 40
39.5
4
158.0
4
39.5
i =
=
n =
Efx =
1. What is the mean of the given data? A. 41.5
B. 42.5
C. 43.5
D. 44.5
2. What is the median of the given data? A. 41.5
B. 42.5
C. 43.5
D. 44.5
3. Which measure of variability would be used to compute the average distance of the scores from the mean?
A standard deviation
C. variance
B. the range
D. average deviation
4. What measure of variability is the average square distance of the scores from the mean?
A. mean deviation
C. variance
B. standard deviation
D. the range
5. Which of the following illustrate a property of standard deviation?
A. For data with approximately the same as median.
B. Standard deviation is always negative
C. Standard deviation is not sensitive to outliers.
D. Standard deviation is only used to measure spread or dispersion around the mean of a data set.
Add an Answer
More Questions From This User See All