mean is
A. 3 B. 9 C. 27 D. 81 E. x
- The mean height of 6 boys is 4´2´´ . The mean height ot 4 girls is 3´9´´ .The mean height of
combined 6 boys and 4 girls is
A.4´1´´ B.4´ C. 3´11´´ D.3´10´´ E. 41/2´ - For the sample 5,6,5,7,8,5,6,7,6,5 which of the following is (are) true?
- The median is 6 2. the mean is 6 3. the mode is 5.
A. 1 only B.2 only C. 3 only D. 1 and 3 only E. 1 , 2 and 3
- The median is 6 2. the mean is 6 3. the mode is 5.
- For the sample 9,8,10,9,11,9,12,12 which of the following is (are)
A.log〖(xy) 〗=logx + logy B. (logx )^n = n logx C. log_101=0
D.log_xx=1 E.log(x/y)= logx-logy - Which of the following is (are) true?
1.logM/logN =logM-logN 2.log∛M=3 logM 3.log_√aM =2log_aM
A. 1 only B. 2 only C. 3 only D. 1 and only E. None of them
6.Which of the following is (are) true?