Stats prood

Question 1

How to show a regression line is good fit?

Answer 1

PMCC

Question 2

Conclusion for PMCC?

Answer 2

Ho: P = 0 (no correlation)
H1: P does not equal 0 ( 2 tail)
P greater 0 (one tail)
P less than 0 (one tail)

Question 3

Conclusion for Spearman’s Rank?

Answer 3

Ho : There is no association p = 0
H1: There is association p (whatever)

Question 4

Conditions for a Poisson?

Answer 4

-X must be discrete ​
-Occurs at random​
-Occur independently
-constant mean rate

Question 5

Statments for contingency tables?

Answer 5

Ho : Variables independent
H1: Variables dependent

Question 6

Statments for goodness of fit?

Answer 6

State Ho: The results can be modelled by relevant distribution ​

State H1: The results can not be modelled by relevant distribution​

Question 7

When having a conclusion what do you refer to?

Answer 7

-refer to Ho, referring whether there is enough evidence to reject Ho or not enough evident to reject……

Question 8

When to use tails for Spearman’s Rank?

Answer 8

-Two tail for association
-One tail for positive or negative association