Which of the following statements is not true? a. The median is not affected by outliers as much as the mean. b. The mode is the most frequently occuring value(s) in a data set. c. The best measure of central tendency depends on the data set. d. The mean is the middle value of a data set.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол