The following data represents scores on a 12 point quiz from undergraduate students.

6,8,7,3,2,5,4,6,5,4,3,5,7,6,4,7,6,8,5,6,7,9,2,8,6,5,4,7,6,3,2,6,5,7,8,9,

Create the frequency distribution for this distribution using an interval size of 2.

Compute the mean and standard deviation of the scores and use these for the calculations below. Show your calculations on the back of his page.

___________ Mean

___________ Standard Deviation

Using the mean and standard deviation for the above distribution, convert:

___________ a score of 4 to WAIS units.

___________ a score of 9 to ETS units.

___________a T-score of 60 to a Z score for the above distribution units.

___________an ETS score of 620 to a Z score for the above distribution units.