Formulate the null hypothesis and alternative hypothesis

Assignment Help Basic Statistics
Reference no: EM13916963

Complete the following based on your assigned Data Scenario:

• Describe the research problem.
o Conduct a literature review and locate two articles that relate to the research problem.
o Use the articles to assist in describing the problem.

• Formulate the null hypothesis and the alternative hypothesis.

• Determine if the null hypothesis should be rejected or retained based on the results.

• Support the decision with references from the text.

Research Data Critique Scenario One

The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data of the three groups and the researcher conducted a statistic and the results are presented below. Using the five steps of hypothesis testing, explain what the researcher might have done, including the appropriate analysis, and interpret the results. Are there any problems with this study? If so, explain what they are.

Average Salary
Clerical (n = 363) $27,838.54
Custodial (n = 27) $30,938.89
Manager (n = 84) $63,977.80
Test statistic = 434.48, p< .05

Reference no: EM13916963

Questions Cloud

Two stations p and q are 110 km apart on a straight track : Two stations P and Q are 110 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?
The speed of the faster train : Two trains, each 100 m long are moving in opposite directions. They cross each other in 8 seconds. If one is moving twice as fast the other, the speed of the faster train
Excellent global positioning system circuit card : The purchasing department has found an excellent global positioning system circuit card in Germany that can provide your firm with a competitive advantage in the marketplace. Delivery of the circuit cards is 6 months from date of order.
Explain the impacts of order cycle time length : What are some of the logistics problems that might arise when supply and demand for a product are not aligned properly? What are some of the methods used to soften the effects of this imbalance?
Formulate the null hypothesis and alternative hypothesis : • Formulate the null hypothesis and the alternative hypothesis. • Determine if the null hypothesis should be rejected or retained based on the results.
Large material and labour variances : when relatively large material and labour variances have been determined
Assessable income as a result of the sale : Residence and source Kit is a permanent resident of Australia. He was born in Chile and retains his Chilean citizenship. Kit spends most of the year working off the coast of Indonesia on an oil rig for a United States company.
What are the four basic phases of the innovative process : What are some of the idea generating tools and techniques for innovation, design, and creativity? How do you create an innovative environment? How have you used one of the idea generating tools and techniques in your own decision making? Explain.
Critically important real economic variable : Calculate the real wage (W/P) the first month of the Bush Sr. Administration (1/89) and compare it to the last month of the Bush Sr. Administration (12/92). Please show all work. Was Bill Clinton correct in his claim? Why or why not?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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