The advantages of the familiar, precise parametric techniques over nonparametric methods can be obtained by __________.
Fill in the blanks with correct word
Question 2
If the mean score on a stress scale is 5, the standard deviation is 2, and the distribution is normal, the percentage of people who would obtain scores between 5 and 9 is
A) 34
B) 14 + 34 = 48
C) 50
D) 34 + 34 = 68