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What does Levene’s test look for?

From the table below, indicate how many people took part in this experiment? 

In the following histogram, what does its shape suggest?   

A standard deviation that has a value of 0 is best explained by which of the following statements?

In a t-test to determine whether analgesia or a placebo provide pain relief, the t-value obtained for the two-tailed probability p is found to be a low number at p = .042. What can be deduced about this result?

Which of the above variable(s) are classified as discrete variable(s)? Select ALL answers that apply. 

 What statement best describes what is shown in the graph below?  

  Which of the following key word(s) best describe the type of variable Ln Age? Select ALL answers that apply. 

Your patient receives Allopurinol 150mg po daily for gouty arthritis. Allopurinol 100mg tablets are available. How many tablets do you need per day? 

Please convert to a unit in the question. 10 mg = ____________ mcg