Can someone explain how to do this?

9514 1404 393

  9 and 10

Step-by-step explanation:

Make use of your knowledge of multiplication tables.

  9² = 81

  (√89)² = 89

  10² = 100

√89 lies between 9 and 10

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.