This is a statistics class so your background must be strong in Statistics please.
Question 1 : What is the critical value for a chi-square test with 13 degrees of freedom at the 1 percent level of significance? If the chi-square test statistic were 16.98, what would you conclude regarding the null hypothesis? What would you conclude if the chi-square value were 68.03?
Question 2: A distribution of scores has a mean of ?=100 and a standard deviation of ?=10. For an x value of 140, can you calculate the corresponding z-score using the formula we learned in class? Can you also interpret what the z-score of x means (x=140)?
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