Homework SoursePSYC STATS On an exam with a mean of 50 you have a score of
PSYC STATS!!!
On an exam with a mean of = 50, you have a score of X = 55. Which of the following values for the standard deviation would give you the highest position within the class?
| A. = 1 | |
| B. = 5 | |
| C. = 10 | |
| D. Cannot determine from the information given |
Solution
As
z = (X - u)/sigma
Then we need a smaller sigma, because a higher sigma reduces the z score.
Hence,
OPTION A: sigma = 1 [ANSWER]
