Direction: The following data were obtained from a group of students regarding the number of hours they devoted to studying and their grades in their examination. You are task to do the following:

a) Construct a scatter plot for the given data.

b) Determine if there is a relationship between the number of hours spent studying their lessons and their examination grade equivalent in terms of direction and strength based on the scatter plot.

Number of Hours Studied (X) Examination Grades (Y) 8 56 5 44 11 79 13 72 10 70 5 54 18 94 15 85 2 33 8 65