Construct a scatter plot and identify the trend of data as to form, direction and trend.

Question

Application (Performance Task)

Construct a scatter plot on the problems below and identify the trend of the data as to form, direction and trend.

1. A doctor collected data on how many hours children of different ages slept in a day. Data for 5 participants are shown below.

Age(years) 1 2 3 5 8

Sleep(hours) 13 11 10 9 8

Answer 1

The trend of the data is decreased sleeping hours with age. The shape of a curve joining these points would be curved (exponential)