Saturday

March 28, 2015

March 28, 2015

Posted by **jc** on Sunday, June 27, 2010 at 4:16pm.

- statistics -
**PsyDAG**, Monday, June 28, 2010 at 10:57am68% are approximately within mean ± 1 SD

Z = ±1 = (score - mean)/SEm

SEm = SD/√(n-1) = approx. SD/10

Insert values in above Z equation to get scores.

- statistics -
**Tempie**, Monday, June 28, 2010 at 3:29pmconsider a normal distribution with mean 27 and standard deviation 6. What is the probability a value selected at random from this distribution is great than 27?

**Answer this Question**

**Related Questions**

Statistics - A study is being planned to estimate the mean number of semester ...

Statistics - A random sample of 47 students studied for an average of 7.1 hours ...

statistics - The Office of Student Services at a large western state university ...

Statistics - The mean television viewing time for Americans is 15 hours per week...

statistics - A film alliance used a random sample of 50 U.S. citizens to ...

statistics - A specific study found that the average number of doctor visits per...

statistics - To determine how many hours per week freshmen college students ...

Statistics - An admissions director wants to estimate the mean age of all ...

Statistics/Probability - The standard deviation of the masses of articles in a ...

Statistics - 28. A group of statistics students decided to conduct a survey at ...