frequency

Question 1

tabular arrangement of gathered data by categories

Answer 1

frequency distribution

Question 2

grouping or categories by lower and upper limits

Answer 2

class interval (CI)

Question 3

difference between the upper class and lower class; width of each class interval

Answer 3

class size (i)

Question 4

used to separate class but without gap

Answer 4

class boundaries

Question 5

midpoint or middle value

Answer 5

class mark (x)

Question 6

difference between tbe highest score and lowest score

Answer 6

range

Question 7

percentage distribution in every class interval

Answer 7

relative frequency

Question 8

shows the accumulation of the relative frequencies of the class intervals

Answer 8

cumulative percentage frequency distribution

Question 9

number of observations belonging to a class interval

Answer 9

class frequencies

Question 10

obtained by adding the lowest to highest frequencies

Answer 10

less than cf (<cf)

Question 11

adding the frequencies from highest to lowest

Answer 11

greater than cf (>cf)

Question 12

set of rectangles having bases on a horizontal axis; bar graph

Answer 12

histogram

Question 13

plotting the frequencies against corresponding class marks

Answer 13

frequency polygon

Question 14

plotting the cumulative frequency by connecting points of intersection

Answer 14

ogive

Question 15

proportion of the total number of scores that occurs in every interval

Answer 15

relative frequency distribution

Question 16

number of scores that fall below the upper real limit

Answer 16

cumulative frequency distribution

Question 17

percentage of scores that fall below upper real limit

Answer 17

cumulative percentage distribution

Question 18

measure of relative standing; value on the measurement scale below which a specified percentage of the scores in the distribution fall

Answer 18

percentiles/percentile point

Question 19

percentage of scores with values lower than the score in question

Answer 19

percentile rank