Explanation:ecdf() builds empirical cumulative distribution function. 9. Which of the following is used to find variance of all values ?
A. var()
B. sd()
C. mean()
D. All of the mentioned
Answer:A
Explanation:ecdf() builds empirical cumulative distribution function. 9. Which of the following is used to find variance of all values ?
A. var() B. sd() C. mean() D. All of the mentioned
Explanation:sd() is used to calculate standard deviation. 10.The purpose of fisher.test() is _______ test for contingency table.