It is used to calculate the expected frequency for the chisq

It is used to calculate the expected frequency for the chi-square test for independence.

It is used to calculate the expected frequency for the chi-square test for goodness-of-fit.

It is used to calculate the observed frequency for the chi-square test for goodness-of-fit.

It is used to calculate the observed frequency for the chi-square test for independence.

	a.	It is used to calculate the expected frequency for the chi-square test for independence.
	b.	It is used to calculate the expected frequency for the chi-square test for goodness-of-fit.
	c.	It is used to calculate the observed frequency for the chi-square test for goodness-of-fit.
	d.	It is used to calculate the observed frequency for the chi-square test for independence.