Importance of the null hypothesis

Assignment Help Basic Statistics
Reference no: EM13109120

What is the importance of the null hypothesis? Why has it been the backbone of mainstream hypothesis testing for decades? What are its limitations?

Please provide references.

Reference no: EM13109120

Questions Cloud

Z test for testing of hypothesis : Brief description of the real-world situation or problem you selected to address, the independent and dependent variables you would study
Illustrate what can savoury do to prevent its products : Although the recipes are secret the ingredients could be revealed and the sauces could be reconstructed with diligent efforts. Illustrate what can Savoury do to prevent its products from being "decoded" and pirated abroad?
Discuss the impact of involving employees in decision making : Discuss the impact of involving your employees in decision-making. What are the pros and cons? Should employees be involved in critical organizational decisions?
Illustrate what is the largest random sample that they need : If they wish to estimate the population proportion within 0.03 and use 95 percent confidence, illustrate what is the largest random sample that they will need?
Importance of the null hypothesis : What is the importance of the null hypothesis? Why has it been the backbone of mainstream hypothesis testing for decades? What are its limitations?
Determine the mass of this substance : Determine the mass of this substance should evaporate in order to freeze 190 grams of water at 25 degree Celsius initially? It is given that the heat of fusion H 2 O= 334 specific heat of H 2 O= 4.18
Why cash transfer directly into your aunt : USA Offers $5000 Personal Loans, Cash Loans and Payday Loans Wired to Your Aunt as Apply Now for your bad credit loan, cash loan, payday advance or Short term instalment loans up to 720. Apply for a loan online and get instant approval and same da..
Case study - simuflite a texas aviation training company : Simuflite, a Texas aviation training company, expected to whip the competition with FasTrakits computer-based training (CBT) curriculum for corporate pilots.
Testing of hypothesis - spss : Write a short report dicussing the claim that average diastolic blood pressure in 1958 (variable dbp58) is the same for men who were alive in 1968 and for men who were not.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the possibility that it is blue or white

If you draw two balls without replacing the first one, what is the possibility that one ball is red and the other is white.

  Computing value of test statistic for relevant hypothesis

Random sample of 100 people yielded following data on number of tissues utilized in a cold: x-bar = 38, s = 20. By using sample information provided, compute the value of test statistic for the relevant hypothesis test.

  Independent demand for chicken hamburgers and sandwiches

If the restaurant stocks 400 hamburgers and 150 chicken sandwiches for a given day, what is the probability that it will run out of hamburgers or chicken sandwiches (or both) that day? Assume that the demand for hamburgers and the demand for chick..

  Computing mean crash damages for vehicles

Five test vehicles of each kind were crashed, with results given below. Research question: Are mean crash damages the same for these 3 vehicles?

  Test of inference directionality of test

For each of the following two scenarios/descriptions (pp.2), please select two responses, one to indicate the most appropriate test of inference

  Sample proportion from the preliminary sample

How large a sample should be selected in order to estimate the population proportion to within a margin of error of 0.02 with 97% confidence. The sample proportion from the preliminary sample was 0.18.

  Advantages of anova

What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?

  Probability of quality of customer service

In a survey on the quality of customer service at Car Toys, customers were asked to rate the service on a scale from 1 to 10, with 10 being that a customer was completely satisfied.

  Finding and comparing the standard deviation

Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.

  The degrees of freedom

Assuming the nurses surveyed were a random sample from the population of all nurses in the United States, we can use these data to test the null hypothesis H0 that there is no association between the row and column variables in this two-way table...

  Random variable representing a test score

Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?

  Use of simple-linear-multiple regression analysis

What is correlation analysis? How can correlation analysis be used in a business decision or examples specifically related to strategy formulation and implementation?

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