Chi squares Test

Question 1

What it tests?

Answer 1

Test whether there is a relationship between the given sets of Data..

Question 2

Test of Independence

Answer 2

Ho = Null hypothesis- that the given independent variable is independent from the expected (independent vs dependent vat)

H1=Alternative hypothesis- that the sets are not independent of each other.

Question 3

Using X^2

Answer 3

If X^2 > CV, reject the Ho

If X^2 < Cv, we don’t reject the Ho/ Accept Alternat

Question 4

Using P-value (@ sig fig eg 5% sig fig)

Answer 4

If p< 0.05 , reject the Ho,

If p> 0.05, do not reject Ho/ Accept Ho

Question 5

Calculations for Chi sqaures

Answer 5

Test -> CHI -> 2WAY -> Mat(set dimensions y against x)
plot data
execute = attain X^2 and P-val data.