Answer:
hello some information is missing below is the missing information
8 classes for n = 75 measurements; minimum value = 20; maximum value = 175
answer : width = 20
class boundary : 20,40,60,80,100,120,140,160,180
Step-by-step explanation:
Using the information given the convenient class width
= (maximum value - minimum value) / number of class
= ( 175 - 20 ) / 8
= 155 / 8 = 19.375 to the nearest multiple of 5 = 20
Using the minimum value as the smallest class boundary
the class boundary will be :
20,40,60,80,100,120,140,160,180
since the maximum value 175
