Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis testing for difference between two means-unequal variance.

A study was conducted on the annual incomes of corporate trainers in the state of New York in metropolitan areas having a population less than 100,000 and in metropolitan areas having a 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 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.  Utilize the 5 percent level of risk.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918189

Have any Question? 


Related Questions in Statistics and Probability

List an example of each of the followinga two quantitative

List an example of each of the following: a. Two quantitative variables that are likely to have a positive linear relationship. b. Two quantitative variables that are likely to have a negative linear relationship. c. Two ...

A using the table of critical values of t in appendix a-2

a. Using the table of critical values of t in Appendix A-2, find the critical value of t for an experiment in which there are 28 participants, using an alpha level of .05 for a one-tailed test b. Find the critical value ...

Restate each of the following research questions as

Restate each of the following research questions as questions about behavioral variability. a. Does eating too much sugar increase children's activity level? b. Do continuous reinforcement schedules result in faster lear ...

1 distinguish between a quota sample and a purposive

1. Distinguish between a quota sample and a purposive sample. 2. What three criteria characterize good descriptions of data?

Packages of sugar bags for sweeter sugar inc have an

Packages of sugar bags for Sweeter Sugar Inc. have an average weight of 10 ounces and a standard deviation of 0.2 ounces. The weights of the sugar bags are normally distributed. What is the probability that 16 randomly s ...

Analysis and applicable theoriesfor your analysis select

Analysis and Applicable Theories For your analysis, select two applicable theories content theories and two process theories from the list provided in this course. Please note the theories should be post-Frederick Winslo ...

A committee comprised of 15 members is called upon to

A committee comprised of 15 members is called upon to choose the prettiest color: red, blue, or yellow. The committee members simultaneously announce their strict preference relations among these three colors. If red is ...

A shoe company checks police records on 1200 randomly

A shoe company checks police records on 1200 randomly selected auto accidents and notes that teenagers were at the wheel in 180 of them. Construct a 90% confidence interval estimate of the proportion of shoe accidents th ...

Two population meansa tomato farmer with a very large farm

Two Population Means A tomato farmer with a very large farm of approximately 2200 acres had heard about a new type of rather expensive fertilizer which would supposedly significantly increase his production. The frugal f ...

30000 people participated in an online poll on cnncom

30,000 people participated in an online poll on cnn.com conducted in April 2012 asking "Have you ever driven with a pet on your lap?" 34% of the participants answered yes and 66% answered no. (a) Can we conclude that 34% ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen