Find and Interpret the range of the points earned. 15 12 17 8
21 20 6 9

Find and interpret the interquartile range of the points earned.

Use the IQR to identify any outliers of the data set.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.