The mean level of satisfaction was measured in three independent comparison groups, nursing students attending a HURST review prior to NCLEX, nursing students attending a HESI review prior to NCLEX, and students attending a Kaplan review prior to NCLEX. Which statistical tests would be most appropriate?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms