Tuesday
September 2, 2014

Homework Help: statistics

Posted by Susan on Saturday, March 10, 2012 at 3:21pm.

1. A test has a mean of 50, standard deviation of 10.
A. What scores separate the middle 25% from the rest
b. What proportion would be expected to score between 45 and 55
c. What proportion would be expected to score 68 and above

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - The scores on a personality test are normally distributed with a ...
statistics - 4. A large company insists that all job applicants who are invited ...
Statistics - A distribution of 800 test scores in a biology course was ...
math - Statistics: Analyze student exam scores Students were given an exam with ...
Statistics Math Help - A distribution of 800 test scores in a biology course was...
statistics - The scores for standardized test are normally distributed with a ...
statistics - If a distribution of IQ test scores has a mean of 100 and a ...
Statistics - Students were given an exam with 300 multiple-choice questions. The...
Statistics - I have a couple questions I answer for home work could some look ...
Statistics - For a normal distribution with a mean of m = 80 and a standard ...

Search
Members