Wednesday
August 20, 2014

Homework Help: statistics

Posted by rich on Thursday, December 29, 2011 at 2:48pm.

Use the given confidence level and sample data to find a confidence interval for the population standard sigma. Assume that a simple random sample has been selected from a population that has a normal distribution. salaries of college graduates who took a geology course in college 98% confidence; n= 91, x= $70,200, s=$19,912

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - A 95% confidence interval for a population mean, ?, is given as (18...
statistics - A simple random sample of 60 items resulted in a sample mean of 80...
Statistics (42) - A simple random sample of 60 items resulted in a sample mean ...
Statistics - The standard deviation for a population is σ = 15.3. A sample ...
Statistics - Suppose x has a mound-shaped distribution with sigma = 9 . A random...
Statistics - Use the sample data and confidence level to construct the ...
Statistics - These are the only ones that I am having problems with. Please help...
stastics - Assume that a random sample is used to estimate a population ...
Statistics - Problem 1 Use the Old Faithful data labelled Duration as a sample ...
Statistics - How would I find the confidence level (in %) if I am given the ...

Search
Members