Chi Square Analysis

Question 1

Chi square test formula

Answer 1

x^2= sum of (o-e)^2/e
o= observed number
e= expected number

Question 2

Meaning of p value

Answer 2

The probability that the change in numbers is due to random chance

Question 3

Null hypothesis

Answer 3

No statistical difference between observed numbers and expected numbers

Question 4

p value greater than or equal to 0.05

Answer 4

Fail to reject null hypothesis

Question 5

p value less than 0.05

Answer 5

Reject null hypothesis