Question: 4. (5 points) In a normal distribution, (a) variance is equal to standard deviation (b) median is equal to standard deviation (c) mean is

4. (5 points) In a normal distribution, (a) variance is equal to

4. (5 points) In a normal distribution, (a) variance is equal to standard deviation (b) median is equal to standard deviation (c) mean is equal to median (d) median is euqal to standard deviation 5. (5 points) Use your left hand and suppose you are going to show "FOUR" without thumb (baparmak) finger while your palm is on the table. Close middle and forefinger to represent the distribution of weights of students. It is a (a) left skewed distribution (b) no skewed distribution. (c) right skewed distribution (d) negative skewed distribution 6. (5 points) Suppose you got 5 students with their weights from right tail of your distribution. The mean of them is 91. You knew only three of them 82, 95, 88. What will be the possible pair of the last two weights? (a) 91,98 (b) 75.115 (c) 89,99 (d) 21.68 82+95 +88 3

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