Sunday

February 1, 2015

February 1, 2015

Posted by **Tracer** on Saturday, February 6, 2010 at 6:05pm.

- statistics -
**PsyDAG**, Sunday, February 7, 2010 at 10:56amMean = Σx/n

6 = Σx/20

Σx = 120

new Σx = 120 + 27 and new n = 21

Use the above equation to calculate new mean.

- statistics -
**Lisa**, Sunday, January 25, 2015 at 10:13pmone sample has a mean of M= 4 and a second sample has a mean M=8. The two samples are combined into a single set of scores.

a. What is the mean for the combined set if both of the original samples have n= 7scores?

What is the mean for the combined set if the first sample has n= 3 and the second sample has n= 7?

What is the mean for the combined set if the first sample has n= 7 and the second sample has n= 3?

**Answer this Question**

**Related Questions**

statistics - -A set of seven scores has a mean of 10. If one of the scores is ...

statistics - A sample of n = 7 scores has a mean of M = 5. After one new score ...

Math - A sample of n _ 11 scores has a mean of M _ 4. One person with a score of...

statistics - A sample of n = 9 scores has a mean of M _ 10. One person with a ...

Math Statistics - A sample has a mean of M = 25. If one person with a score of ...

statistic - In a population of exam scores, a score of X 48 corresponds to z...

Math Statistics - A sample has a mean of M = 25. If one person with a score of X...

stat. - A sample consists of the following n 6 scores: 2, 7, 4, 6, 4, and 7. a...

Statistics - For a population with a mean of µ=60 and standard deviation of &#...

statistics - . In a sample of n = 6, five individuals all have scores of X = 10 ...