Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis testing for difference between two population means.

Two independent samples were taken from two populations with the following results:

Sample 1

Sample 2

Sample size = 48

Sample size = 39

Mean = 15

Mean = 11

Population standard deviation = 1.8

Population standard deviation = 2.9

For the hypothesis test:
H0 : μ1 - μ2 ≤ 1
H0 : μ1 - μ2 > 1
a. What is the standard error of the difference between means?
b. What is the value of test statistic?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922715

Have any Question? 


Related Questions in Statistics and Probability

Wat were the key political features of the roman republic

What were the key political features of the Roman Republic? How and why did this system of government collapse? Does our republic share any of the weaknesses of the Roman Republic?

A smartphone company has to decide which battery they will

A smartphone company has to decide which battery they will use for their upcoming model. Two battery manufacturers A and B are competing to get the contract. 15 smartphones of the upcoming model were tested with batterie ...

St augustine and socrates both acknowledge that the perfect

St. Augustine and Socrates both acknowledge that the perfect city cannot exist in this world. For each of them, what is it about the nature of human beings and of political life that makes this impossible?

1nbspa camp director is interested in the average number of

1. A camp director is interested in the average number of letters each child sends during his/her camp session. The population standard deviation is known to be 2.5. A survey of 45 campers is taken. The average from the ...

What were the causes of the cold war also describe the

What were the causes of the Cold War? Also, describe the steps that the USA took to meet the perceived Soviet threat during the 1940s, '50s and '60s. Be sure to include the following topics: Iran crisis of 1946 Iron Curt ...

Question 1use this extract taken from the article goji

Question 1: Use this extract taken from the article, "Goji berries prevent macular degeneration," (appeared in Healthy Foods, Healthy Bodies on January 21, 2016) to answer the questions that follow: Goji berries (Lycium ...

Suppose there are three bills in a wallet one of the bills

Suppose there are three bills in a wallet. One of the bills is a $1 bill, one is a $5 bill, and the third is a $10 bill. You select two bills at random without replacement from the wallet, and note the value of the bills ...

What is the estimate for the difference between

What is the estimate for the difference between ‘False-rejects' by Inspectors 2 and 5? 0.8 3.7 4.2 0.0 3.5

In january 2011 the average monthly rental rate for

In January 2011, the average monthly rental rate for one-bedroom apartments in a certain city was $783. Suppose rental rates across all one-bedroom apartments in this city follow approximately a normal distribution, with ...

One of the behavioral research case studies involved agocha

One of the Behavioral Research Case Studies involved Agocha and Cooper's (1999) study of partner characteristics and intentions to practice safe sex. Below are the Pearson correlations between the likelihood that partici ...

  • 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