Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A study was conducted on annual incomes of corporate trainers in state of New York in metropolitan areas having the population less than 100,000 and in metropolitan areas having the population over 500,000. Some sample statistics are:

Sample Statistic

Population less than 100K

Population more than 500K

Sample Size

45

60

Sample Mean

$31,290

$31,330

Sample SD

$1,060

$1,900

Test the hypothesis that the annual incomes of corporate trainers in areas of more than 500,000 are significantly more than those in areas of less than 100,000. Employ the 5% level of risk.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M916842

Have any Question? 


Related Questions in Statistics and Probability

The premise a few years have passed and your survivor group

The premise: a few years have passed, and your survivor group has grown due to the merger with another group of survivors. You still maintain the position as the intellectual of the group because you are a historian.  Al ...

Please show the work to make it understandablea large

Please show the work to make it understandable A large company is interested in knowing whether there is any relationship between a person's age and that person's opinion about a new wage incentive plan. A random sample ...

Explain i the hypotheses with a plausible definition of p

Explain (i) the hypotheses with a plausible definition of p or µ, (ii) whether or not the data indicate practical significance (use common sense and/or general knowledge), and (iii) whether or not the data indicate stati ...

1 how do quasi-experimental designs differ from true

1. How do quasi-experimental designs differ from true experiments? 2. Under what circumstances would a researcher use a quasi-experimental rather than an experimental design?

Probabilities of graduation and publicationprofessors have

Probabilities of Graduation and Publication Professors have hundreds of students in their classes each year. Some professors teach only upper division courses to students who are in their major course of study. Of this g ...

1 what is the range and why is it not ideal as an index of

1. What is the range, and why is it not ideal as an index of variability? 2. Give a definition of variance, then explain how you would calculate it. 3. How does variance differ from the total sum of squares?

Your company is seeking to forecast demand for the next

Your company is seeking to forecast demand for the next month based on the information given in the following table: Month May June July Aug Oct Sept Oct Nov Dec Demand 40 44 43 45 42 50 48 54 a. (6) Develop a forecast f ...

Suppose we randomly sample 400 nucleotides from the human

Suppose we randomly sample 400 nucleotides from the human genome. (Consider only a single strand.) Does the occurrence of adenine, thiamine, cytosine and guanine (A, C, T and G) in this sample suggest that nucleotides in ...

Question the mean weight 10 randomly selected newborn

Question: The mean weight 10 randomly selected newborn babies at a local hospital was found to be 7.14 and the standard deviation was found to be 0.87 lbs. If the weights of newborn babies is approximately normally distr ...

1 compare and contrast the development of northern and

1) Compare and contrast the development of Northern and Southern Europe after the treaty of verdun (has to be a paragraph long, with 3 examples, and answer the following questions: when,who,where, why) 2) Discuss the Pro ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro