The scatter plot along with trendline, for internet usage by people with respect to age is shown below. Find the nature of the slope of the trendline.
The above table depicts the age group of people living in an apartment. Since the group width is unequal find the length of rectangle with respect to age group width 5 per interval.
age groupnumber of people10−191220−241325−293630−3415 [3 MARKS]