Skewness

Question 1

Positive (Right) Skewnees

1: - Think of Pulling on tales.Tale points towards the direction of the skew
a: - Tales moves in the positive direction
b: - Negative Direction is Right
2: - Mean is also pulled in the direction of tale .
3: - Data is Skewed to the direction of the tale

Answer 1

Pile up of data to the left

Tale pointing the right side of the distribution

Tale has been pulled on the positive direction

Data is Skewed to the Right

Mean >Median>Mode

Mean is to the right of the median

Question 2

Positive (Right) Skewness

N<>P

Answer 2

Skewed Right because of it’s relatively longer upper right tale

Mean>Median>Mode

Mean is pulled towards the direction of the skew

Skewness Value :- Positive

Tail :- R>L

Most data on the left

Mean :- Close to tail Mode:- Away from tail

Question 3

Skewness Formula

Answer 3

Question 4

Negative Left Skewness

1: - Think of Pulling on tales.Tale points towards the direction of the skew
a: - Tales moves in the negative direction
b: - Negative Direction is Left
2: - Mean is also pulled in the direction of tale .
3: - Data is Skewed to the direction of the tale

Answer 4

Pile up of data to the Right

Tale pointing the Left side of the distribution

Tale has been pulled on the Negative direction

Data is Skewed to the Left

Mean

Mean is to the Left of the median

Question 5

Negative Left Skewness

N<>P

Answer 5

Skewed Left because of it’s relatively longer upper left tale

Mean< Median< Mode

Skewness value: Negative
Tail: L>R
Most Data: on the Right
Mean: Close to tail
Mode: Away from tail