A sample of 16 items provides a sample standard deviation

Assignment Help Basic Statistics
Reference no: EM13575870

A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a = .05.

? 0 : s 2 = 50

? a : s 2 > 50

Calculate the value of the test statistic (to 2 decimals).

Reference no: EM13575870

Questions Cloud

Isomer industrial training corporation is considering the : isomer industrial training corporation is considering the purchase of new presentation equipment at a cost of 150000.
Dubois inc has 600000 to invest the company is trying to : dubois inc. has 600000 to invest. the company is trying to decide between two alternative uses of the funds. one
If sales in 2008 and 2009 were steady at 25 million but : in 2009 an agricultural company introduced a new cropping process which reduced the cost of growing some of its
The gallup organization contacts 1709 adult men who are 40 : q1.the gallup organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the united states and asks
A sample of 16 items provides a sample standard deviation : a sample of 16 items provides a sample standard deviation of 9.5. test the following hypotheses using a .05.? 0 s 2
The market gained 52 in the last week of february 2009 : the stock market as measured by the sampp 500 index declined by 2.6 in the first week of february 2009. it declined
If sales in 2008 and 2009 were steady at 25 million but : 1. a company has a share price of 24.50 and 118 million shares outstanding. its book equity is 688 million its book
Assuming instead that the above bonds sold for 104 prepare : ratzlaff company issues euro2 million 10-year 8 bonds at 97 with interest payable on july 1 and january 1.a. prepare
Explain the time value of money is it important for : explain the time value of money. is it important for accountants to have an understanding of compound interest

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Determining probability that no female are hired

Determine the probability that no female are hired. Determine the mean and standard deviation of X.

  What mean does filling machine need to have to get goal

Scenario 2: If the standard deviation is to remain at 0.05 ounces, what mean does the filling machine need to have to achieve this goal.

  Step to performed in testing hypothesis of population mean

Final step to be performed when testing hypothesis of population mean is to?

  What proportion of children classified as hyperlipidemic

What proportion of children 10 to 15 would be classified as hyperlipidemic(assume that hyperlipidemia is defined as a total cholesterol level over 200?

  Computing all the descriptive statistics

To compute all the descriptive statistics for the following set of three test scores over the course of a semester. Which test had the highest average score? Which test had the smallest amount of variability?

  Statistical analysis-automobile accidents

A study is made by an auto insurance company to determine if there is a relationship between the driver's age and the number of automobile accident claims submitted during a one-year period. From a sample of 300 claims, the following information w..

  The spell-checker in a desktop publishing application may

the spell-checker in a desktop publishing application may not catch all misspellings e.g. their there or correctly

  Develop a joint probability

Develop a probability tree showing all marginal, conditional, and joint probabilities and develop a joint probability table.

  Determine expected value of a random variable

Determination of expected value of a random variable. Harrington Health Food stocks 5 loaves of Neutro-Bread. The probability distribution for the sales of Neutro-Bread.

  Graphs bars and histogram questions

What would be the most appropriate graphical representation to show the dispersion of new home prices in a particular area? Why?

  Determining writing null and alternate hypothesis

Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?

  What is the critical value for test grade results

fourth group was divided into small discussion groups. A high of 10 was possible. A sample of five tests was selected from each group. The test grade results were: At the 0.01 level, what is the critical value?

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