14:25

Histogram and Frequency Polygon

12:29

Mean deviation, variance and standard deviation of grouped data.

8:47

Estimating Median from Histogram

11:04

Cumulative Frequency Curve

15:41

Histogram.

12:36

Mean, median and mode of grouped Data(Lesson 1)

13:21

Histogram Explained

13:02

Skewed Histogram (Left Skewed Right Skewed Histogram)