Monday
December 22, 2014

Homework Help: i need help!!!

Posted by emily on Wednesday, September 10, 2008 at 7:05pm.

probability and statistics

a z score is z = x - xbar divided by s
which is standard deviation
s = 6.36
x = ?
xbar = 54.8
the x is all the data sub. from 54.8 individually which i came up with 1.2 and divided it by 6.36 and the number is .1886.....and the answer in the back of the book is -2.05 so my answer is wrong do you think you could the answer with this information?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

stats - To estimate the mean score  of those who took the Medical College ...
statistics - The number of accidents per week at a hazardous intersection ...
statistics - population with a mean of 53.1 and standard deviation of 4.43 ...
statistics - Consider a sample mean (xbar) of 46 caluclated from a sample of ...
Statistics/probability - The random variable X has a binomial distribution with ...
statistics - consider a sample mean of xbar of 46 calculated from a sample of ...
Biostats - If the average (xbar) on an assignment in a class was 82% with a ...
Business statistics - 1(a)Let Y have a binomial distribution with parameters n ...
Statistics - A survey of community banks asked about the loan to deposit ratio (...
statistics - Can you please tell me how to solve for the following? Pedro took ...

Search
Members