It is general agreed that the use of the chi-squared distribution is appropriate when the
A)sample size is at least 30.
B)sample size is large enough so that all of the observed cell counts are at least 5.
C)sample size is large enough so that all of the expected cell counts are at least 5.
D)sample size is large enough so that at least one of the expected cell counts is at least 5.
E)sample size is large enough so that at least 20% of the expected cell counts are at least 5.

Question

Quizplus · Accepted Answer

The chi-squared test requires that all expected cell counts are at least 5 to ensure the validity of the approximation to the chi-squared distribution.

It Is General Agreed That the Use of the Chi-Squared