Friday

July 25, 2014

July 25, 2014

Posted by **Anonymous** on Sunday, September 5, 2010 at 1:26pm.

20,17,21,15,16,15,12,14,15,19,21,17,20,22,16,

19,21,13,22,14,15,18,20,13,18,16,15,19

the mean is 17.25

the range is 10

what would you give as the pass mark?

- math -
**PsyDAG**, Monday, September 6, 2010 at 11:40amThis would vary depending on what type of a test it was and the leniency of the teacher. It should be below the mean, but how far depends on what proportion you would fail.

**You**are giving the passing grades.

**Related Questions**

maths - these marks were obtained by class of 28 students in a science test. the...

algebra - find five numbers with a mean of 16, a median of 15 a mode of 21 and a...

11th grade maths - A.give an example of a function whose domain is {3,4,7,9}? ...

maths - give explanation of mean,mode,median & range.

Math - If you told someone that the greatest depth of Lake Superior is 1333ft ...

math - Does anyone know how to explain mean, median, mode and range mean?? mean-...

Algebra - 23. The ___ axis represents the independent variable. X? 21. Name the ...

math - what are the mean median mode and range of the data set give the altitude...

math pls check - find mean,median, mode, range: for folloiwng numbers: 5, -2, 27...

math - What is findind a five number summary of each ser of numbers 7,7,5,4,1,9,...