Determine if the null hypothesis should be rejected

Assignment Help Basic Statistics
Reference no: EM13918683

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: EM13918683

Questions Cloud

Process improvement on the labor efficiency variance : why does the circuit dept. have incentive to overproduce.(2) If circuit department does not overproduce, what is the effect of the process improvement on the labor efficiency variance?
What is the recommended staffing for the monday morning : For a particular Monday morning in November, the anticipated arrival rate is 1.2 customers per minute. What is the recommended staffing for this Monday morning? Show the operating characteristics of the waiting line.
Movement for a new constitution : Most radicals believed it was up to the states to relieve the financial burden of the people. These sentiments fostered a movement for a new constitution. Political differences soon stimulated the creation of political parties.
Should agan expand to the two-consultant system : If the consultants are paid $16 per hour and the customer waiting time is valued at $25 per hour for waiting time prior to service, should Agan expand to the two-consultant system? Explain.
Determine if the null hypothesis should be rejected : Determine if the null hypothesis should be rejected or retained based on the results
Low-density lipoprotein (ldl) and high-density lipoprotein : In this exercise, you are playing the role of a researcher that is testing new medication designed to improve cholesterol levels. When examining cholesterol in clinical settings, we look at two numbers: low-density lipoprotein (LDL) and high-densi..
Compute ci for small sample : Problem 1 (Compute CI for small sample using t-distribution given sample statistics). From a population of normally distributed IQ scores, a random sample of 25 scores yields sample mean as X = 98:4 and sample deviation Sx = 14:2. Find a 98% con d..
What is the probability that no cars are in the system : What is the probability that no cars are in the system? What is the average number of cars waiting for service? What is the average number of cars in the system?
Connectivity in undirected graphs : Connectivity in undirected graphs - array of linked list and another class will hold edges

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