Thursday

April 24, 2014

April 24, 2014

Posted by **carly** on Wednesday, November 21, 2012 at 2:52pm.

a)50% of the respondents scored between 180 and 210

b)68% of the responents scored above 120

c)50% of the respondents scored between 120 and 210

d) 96% of the respondents scored between 90 and 210

- statistics -
**PsyDAG**, Thursday, November 22, 2012 at 12:54pmZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the various Z scores.

**Related Questions**

statistics - Sign in Assume that the mean score on a certain aptitude test ...

Statistics - Which test determines if there is a difference between the mean of ...

business statistics - Your statistics instructor wants you to determine a ...

statistics - 1.test wheter these samples represent populations that are ...

statistics - Would this be 2 tailed test or a 1 tailed test? " Do dog owners ...

statistics - Scores on a certain test are normally distributed with a variance ...

statistics - The owner of a bottling company is considering buying a new ...

statistics - Scores on a certain test are normally distributed with a variance ...

statistics - the correlation between two tests given to 100 students in the ...

statistics - The times taken to complete a statistics test by all students are ...