Monday

July 28, 2014

July 28, 2014

Posted by **Cherie** on Friday, May 4, 2012 at 11:59am.

91%,75%,95%,,80%,83%,86%,68%

What mark will the student need on the 8th test to make each statement true?

a)The mean of the tests is 84%

b)The mode of the eight tests is 86%

c)The median of the eight tests is 84%

- Math -
**PsyDAG**, Sunday, May 6, 2012 at 4:23amThis should help you:

Mean = Σscores/number of scores = (All the scores +8th)/8

Mode is the most frequently occurring score.

Median is 50th percentile, so you need as many score below 84% as above.

- Math -
**Anonymous**, Sunday, August 19, 2012 at 3:43pmA student has a mean score of 88 on five tests taken. What score must she obtain on her next test to have a mean (average) score of 80 on all six tests?

**Related Questions**

math 12 - The mean and standard deviation of a set of data are two measurments ...

Math 12 - The mean and standard deviation of a set of data are two measurments ...

math 12 - The mean and standard deviation of a set of data are two measurments ...

math - To get a C in physics, a student must score an average of 70 on four ...

Math - To get an A in psychology, a student must score an average of 90 on four ...

Algebra - A student is taking a literature course in which four tests are given...

algebra - help me please... The expression for figuring a student's average test...

math - A student has a mean score of 88 on five tests taken. What score must she...

Statistics - Suppose that two different tests A and B are to be given to a ...

student supervision - reminding students of rules and leading them towards self-...