Math
posted by Jen .
In a population of exam scores, a score of X=88 corresponds to z= +2.00 and a score of X=79 corresponds to z= 1.00. Find the mean and standard deviation for the population.

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in your later post. Thank you.
Respond to this Question
Similar Questions

statistics
In a population of exam scores, a score of x=88 corresponds to z=+2.00 and a score of x=79 corresponds to z=1.00. Find the mean and standard deviation for the population. 
statistics
A score that is 10 points below the mean corresponds to a zscore of z=2.00. What is the population standard deviation? 
statistics
In a population of exam scores, a score of X=88 corresponds to z= +2.00 and a score of X=79 corresponds to z= 1.00. Find the mean and standard deviation for the population. 
statistics
In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = 0.50. Find the mean and standard deviation of the population. 
Stats
The scores on a mathematics exam have a mean of 65 and a standard deviation of 7. Find the xvalue that corresponds to the zscore 1.645. 
statistics
In a population of exam scores,a score of X= 48 corresponds to z= 1 and a score of X= 36 corresponds to z= .50. Find the mean and standard deviation for the population? 
statistics
A score that is 6 points below the mean corresponds to a zscore of z=  .50, what is the population standard deviation? 
stats
2. A standardized exam was provided to all 3rd graders in Arizona schools. The average score was 75 with a standard deviation of 10. Assuming that the scores were normally distributed, answer the following questions. (a) What zscore … 
statistic
In a population of exam scores, a score of X 48 corresponds to z1.00 and a score of X 36 corresponds to z –0.50. Find the mean and standard deviation for the population. (Hint: Sketch the distribution and locate the two scores … 
Math
Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation of 4.6 points. What exam score corresponds to z score of 2.46