Question: A company decided to use 20 different pre-made candy boxes. Their prices (on 10 units) are listed below:
250 250 115 90 220 200 275 150 180 75
220 160 150 100 120 300 175 175 230 200

A.) Construct a grouped frequency distribution with 6 classes (what is the width and why?, show how you calculated the width)

B.) Use Excel to construct a Histogram. (for input range select the given values, for the bin range select the classes upper boundaries values).  Edit

Answer: class values frequency

70-110 75, 90,100 3

110-150 115, 120, 150,150 4

150-190 160,175,175,180 4

190-230 200, 200 , 220,220 4

230-270 230,250,250, 3

270-310 275,300 2

Width=40 , 310-70=240 or 240/6=40  Edit