Distribution and inferences

Question 1

Normal distribution:
* Bell curve: A s______ d______ around it’s mean. No skew l___ or r____.
* very r___ that anything follows a perfect normal d_____, but will sometimes be similar

Answer 1

• symmetrical, distribution,left, Right.
• rare, distribution

Question 2

Skewed distribution:
* skewed right: tail on the ____, with most data on the _____.
* skewed left: tail on the ____, with most data on the _____.

Answer 2

• right,left
• left,right

Question 3

Memorize how the skews look like from ur note pictures

Question 4

Tail usually pulls ____ with it.

Answer 4

Mean