Test hypothesis for variance

Assignment Help Mathematics
Reference no: EM1319811

Question: The Stewart aviation products company uses a new production method to manufacture aircraft altimeters. A simple random sample of 81 altimeters is tested in a pressure chamber, & the errors in altitude are recorded as positive values [for readings that are too high] & negative values [for readings that are too low]. The sample has a standard deviation of s=52.3 feet
At the .05 significance level, test the claim that the new production line has errors with a standard deviation different from 43.7 feet. which was the standard deviation for the old production method. Suppose that the sample is drawn from a normally distributed population.

Reference no: EM1319811

Questions Cloud

Find the probability that the strike vote is rejected : A union strike vote is scheduled for tomorrow, and it looks close. You expect 100 people to vote, and the probability that a typical individual will vote to strike is estimated to be 0.4. Suppose that the voters make their decisions independent from ..
Find the mean & the standard deviation of the total amount : Compute the mean & the standard deviation of the total amount that this investor in 1 year from these four investments.
Find the probability of observing : Find the probability of observing
The strategy that maximizes the campus bookstore earnings : The strategy that maximizes the campus bookstore earnings.
Test hypothesis for variance : Test hypothesis for variance.
Test the hypothesis for single proportion : Test the hypothesis for single proportion.
Test the hypothesis : The following random sample was selected from a normal distribution: 10, 12, 12, 15, 13, 15 & 16.Test the hypothesis that the true mean exceeds 12. [Use α =.01]
Find the p value & explain its meaning : A recent study reported that college students study for an average of four hours per day. You believe this figure is too large & you decide to conduct your own test.  Find the p value & explain its meaning.
Determine the population mean : Determine the population mean

Reviews

Write a Review

Mathematics Questions & Answers

  Evaluate the tangent line approximation

Evaluate the tangent line approximation of the two values and compare with the true value - what about the graph cases

  Recurrence relations with complex characteristic roots

Recurrence relations with complex characteristic roots

  Find whether the given information results in one triangle

Find whether the given information results in one triangle.

  Significance testing of correlation coefficient

Significance Testing of correlation coefficient - Test the significance of  r

  Statistical procedure for developing a mathematical equation

Statistical procedure for developing a mathematical equation.

  The tangent line equation

The tangent line equation

  Find the p value & explain its meaning

A recent study reported that college students study for an average of four hours per day. You believe this figure is too large & you decide to conduct your own test.  Find the p value & explain its meaning.

  Evaluate the point on the graph

Evaluate the point on the graph that is closest to given point - Find the point on the graph of the function that is given to closest point.

  Solve the system using the graphing method

Find the Equation of the line which passes through the two given points and Solve the system using the graphing method.

  Find the density of given expression using theorem

Finding the density of y and then finding the expectation and (b) using theorem A

  Construct a truth table for given relation

Construct a truth table for given relation - Construct a truth table for each of the following

  Find the area between them bounded by the given value

The following pairs of functions, graph each one together in Desmos, show on your graph and find the area between them bounded by the given values of x.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd