When Chi-square distribution is used as a test of independence the number of deg

Question

When Chi-square distribution is used as a test of independence the number of degrees of freedom is related 10 both the number of rows and the number of columns in the contingency table Select one True False A goodness of fit test can be used to determine if membership in categories of one variable is different as a function of membership in the categories of a second variable Select one True False To use Chi-square distribution In goodness of fit test, all observed frequencies have to be at least 5 Select one True False Assume a random sample is selected and you were asked to determine whether the data came from a normally distributed population Your states hypotheses would be H_0: The population does not have normal distribution H_a: The population has a normal distribution Select one True False

Explanation / Answer

Question 1 : True (Degrees of freedom = (r-1)*(c-1)

Question 2 : False

Question 3: True

Question 4: False (The null hypothesis states that the population is normally distributed, against the alternative hypothesis that it is not normally-distributed)

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