At Center Hospital there is some concern about the high turn…

At Center Hospital there is some concern about the high turnover of nurses. A survey was done to determine how long (in months) nurses had been in their current positions. The responses (in months) of 20 nurses were   24 2 5 16 26 37 28 48 14 8 6 24 32 27 29 11 22 33 9 37 ​ A box-and-whisker plot of the data is shown below.     Find the interquartile range.

Are tech stocks more volatile than utility stocks? Let x be…

Are tech stocks more volatile than utility stocks? Let x be a random variable representing the annual percent return for a portfolio of technology stocks. Let y be a random variable representing the annual percent return for a portfolio of utility stocks. For the past few years, assume the following data. Compute a 75% Chebyshev interval around the mean for x-values and y-values. Round your answers to the nearest hundredth. ​ x: 11 0 35 20 24 22 23 –11 –11 –20 y; 8 –4 28 14 21 16 14 –4 –5 –8 ​