Question: A specific variable is normally distributed with a mean of 68 and standard deviation 8. Various people got the various values for the variable –

The first got a standard score of 0.5

The second is in the 50^th centile

The third got a grade of 60

The fourth is in the 40^th centile

The fifth got a standard score of 1.5

You have to calculate for each person the following 3 values – grade, standard score, and centile. No need to look in the tables, or to use any formulas. Just think about the characteristics of the normal distribution, what it means, etc…. and explain.