math

Question 1

The ___ divide the distribution into four subgroups.

Answer 1

Quartile

Question 2

• The __ divide the distribution into ten subgroups.

Answer 2

Decile

Question 3

• The _ divide the distribution into one hundred subgroups.

Answer 3

Percentile

Question 4

LB-

Answer 4

lower boundary

Question 5

N-

Answer 5

total frequency

Question 6

CF ,b -

Answer 6

Cumulative Frequency below the quarter class

Question 7

f,qk-

Answer 7

frequency of the quarter class

Question 8

i-

Answer 8

Class interval

Question 9

The __ is the simplest measure of variability. It is the difference between the largest value and the smallest value.

Answer 9

range

Question 10

The ___ is a measured variation that make use of all the scores in a distribution. This is more reliable than a range. To compute the average deviation we use the formula

Answer 10

average deviation

Question 11

The ___ are the most practical and commonly used measures of variation.

Answer 11

variance and the standard deviation

Question 12

The ____ is the average of how far the scores are from the mean. It is the square root of the variance. The most reliable measure of variability. The formula is:

Answer 12

standard deviation