The number of calories per serving for selected ready-to-eat cereals is listed here. Construct a frequency distribution, using 7 classes. Draw a histogram, a frequency polygon, and an ogive for the data.

130      190     140     80       100     120     220     220     110     100
210      130     100     90       210     120     200     120     180     120
190      210     120     200     130     180     260     270     100     160
190      240     80       120     90       190     200     210     190     180

115      210     110     225     190     130     100     90       80       120

Source: The Doctor’s Pocket Calorie, Fat, and Carbohydrate Counter

Construct a frequency distribution, using 7 classes.
Draw a histogram, a frequency polygon, and an ogive for the data.
Find Variance and Standard Deviation