(iii) The Mode Example 3 (Family Planning) Consider the sample of time intervals between successive menstrual periods for a group of 500 college women aged 1821, as shown in the following talFlee frequency column gives the number of women who reported each of the respective duration. Value Frequency Value Frequency Value Frequency 24 5 29 96 34 7 25 10 30 63 35 3 26 28 31 24 36 2 27 64 32 9 37 1 is 1:85 33 2 3s 1 L Most probable number! Mode: the most frequently occurring value among all observations in a sample. Note thaeithermean, median or mode can be used to measure the central location of a quantitative variable but only mode is eligible to measure the central location of a qualitative variable