Homework Help: statistics

Posted by pritam on Monday, August 29, 2011 at 7:29am.

the average marks for statistics in a class of 30 were 52. the top six students had an average of 31 marks. what were the average marks of the other students?.

statistics - PsyDAG, Monday, August 29, 2011 at 11:16am
It would help if you proofread your questions before you posted them. If the mean for 30 students was 52, how could the top 6 students only average 31?
statistics - Anonymous, Wednesday, August 31, 2011 at 12:44am
The following is a partial relative frequency distribution of consumer preferences for four products—W, X, Y, and Z.
Product

Relative
Frequency

W

0.19

X

—

Y

0.11

Z

0.15

--------------------------------------------------------------------------------

(a)

Find the relative frequency for product X. (Round your answer to 2 decimal places.)

Relative frequency
statistics - .tim, Thursday, May 10, 2012 at 9:47am
.24

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