11. In general, which of the following statements is FALSE? (a) The sample mean is more sensitive to extreme values than the me- dian. (b) The sample range is more sensitive to extreme values than the stan- dard deviation. (c) The sample standard deviation is a measure of spread around the sample mean. (d) The sample standard deviation is a measure of central tendency around the median. (e) If a distribution is symmetric, then the mean will be equal to the median