statistics
posted by angela
Which is relatively better a score of 48
on psychology test or a score of 52 on an
economics test, Scores on the psychology test have a mean of 87 and a standard deviation of 14. Scores on the economics
test have a mean of 53 and a standard deviation of 8.

Kuai
Psychology
z =(4887)/14
z = 2.796
Economics
z =(5253)/8
z = 0.125
The score of Economics is better.
Respond to this Question
Similar Questions

Statistics
Students were given an exam with 300 multiplechoice questions. The distribution of the scores was normal and mean was 195 with a standard deviation of 30. What were the scores of the students who were within one standard deviation … 
statistics
a math test has a mean of 43 and a standard deviation of 17.0. find the corrresponding z scores for a test score of 13 and a test score of 59. show work 
statistics
a math test has a mean of 43 and a standard deviation of 17.0. find the corresponding z scores for a test score of 13 and a test score of 59. show all work. 
Statistics
Suppose that two different tests A and B are to be given to a student chosen at random from a certain population. Suppose also that the mean score on test A is 85, and the standard deviation is 10; the mean score on test B is 90, and … 
statistics
the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score … 
statistics
the admissions policy at a certain university requires that incoming students score in the upper 20% on a standardized test. if the mean score on the test is 510 and the standard deviation of the scores is 80, what is the minimum score … 
psychology
View the results for a hypothetical psychology test psychology test. Then, create a report with the following: The mean score for each question. The mean score for the entire test. A graph that represents the scores for each question. 
statistics
4. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use webcalculator to answer the following questions. Instead, you … 
statistics!
1) Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that he … 
statistics
1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions. Instead, …