Question

a professor had students keep track of their social interactions for a week. the number of social interactions over the week is shown in the grouped frequency distribution. identify the lower limit of the seventh class.
the lower limit of the seventh class is
(type a whole number.)

Explanation:

Step1: Understand class - interval format

In a grouped - frequency distribution like \(30 - 34\), \(35 - 39\), etc., the lower limit of a class interval is the smallest value in that interval.

Step2: Locate the seventh class

Counting the class intervals: \(30 - 34\) (1st), \(35 - 39\) (2nd), \(40 - 44\) (3rd), \(45 - 49\) (4th), \(50 - 54\) (5th), \(55 - 59\) (6th), \(60 - 64\) (7th).

Answer:

60