In a grouped frequency distribution one interval is listed as 50-59.Assuming that the scores are measuring a continuous variable,what are the real limits of this interval?
A)50 and 59
B)50.5 and 59.5
C)49.5 and 59.5
D)49.5 and 60.5

Question

In a grouped frequency distribution one interval is listed as 50-59.Assuming that the scores are measuring a continuous variable,what are the real limits of this interval?​
A)​50 and 59
B)​50.5 and 59.5
C)​49.5 and 59.5
D)​49.5 and 60.5

Quizplus · Accepted Answer

The real limits of an interval for a continuous variable are the points that are halfway between the upper limit of one interval and the lower limit of the next. For the interval 50-59, the real limits are 49.5 and 59.5, to account for all possible values that round to each number in the interval.

In a Grouped Frequency Distribution One Interval Is Listed as 50-59.Assuming