10. You have been given three beakers with a magnet in each. Pour iron filings in each one of them and then pour very cold water in one, very hot water in the second
and no water in the third one. Which magnet will attract maximum amount of iron
filings? Justify your answer.

7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?