Question

use the ogive to the right to approximate the sample size. leisure time of college students cumulative frequency (number of students) 80 70 60 50 40 30 20 10 9.5 14.5 19.5 24.5 28.5 34.5 39.5 number of hours a. 341 b. 100 c. 28 d. 80

Explanation:

Step1: Recall ogive property

The sample - size is equal to the cumulative frequency at the upper - most value of the data range on an ogive.

Step2: Identify upper - most value

The upper - most value on the x - axis of the given ogive is 39.5 hours.

Step3: Read cumulative frequency

The cumulative frequency corresponding to 39.5 hours on the ogive is 80.

Answer:

D. 80