statistics
 👍 0
 👎 0
 👁 158

 👍 0
 👎 0
posted by drwls
Respond to this Question
Similar Questions

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
asked by taylor quenzler on July 26, 2012 
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.
asked by Jen on September 25, 2009 
Math
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.
asked by Jen on September 25, 2009 
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.
asked by Teresa on March 17, 2010 
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?
asked by Amy on March 9, 2012 
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
asked by Nickie on January 26, 2013 
Math Statistics
Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the
asked by JAE on October 13, 2014 
statistics
Answer the following. Show your work to get credit. Exam scores are normally distributed with a mean of 81 and a standard deviation of 9. a) What is the minimum score one must have to be in the top 4% of the students taking the
asked by JAE on October 13, 2014 
Statistics
Given that a population of scores is normally distriibuted with u=100 and o=8, determine the following: a. The percentile rank of a score of 120 b. The perentage of scores that are below a score of 99 c. The percentage of scores
asked by Grand Canyon University on August 14, 2013 
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
asked by Julie on September 27, 2015