Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Testing equality of two means- small sample.

Conduct a two tailed hypothesis test given the information below. Assume that the population standard deviations are unknown but equal for male and female GPA, use the following sample data to test whether the GPA are different at the 0.05 level of significance.
Male GPA
Sample size 13
Sample mean 3.6
Sample standard dev 0.4

Female GPA
Sample size 16
Sample Mean 3.8
Sample standard dev 0.7

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922187

Have any Question? 


Related Questions in Statistics and Probability

At stats high there is a difficult exam that every junior

At Stats High, there is a difficult exam that every junior takes. Over the last 5 years, the exam results are normally distributed with a mean of 35% and a standard deviation of 7%. If your friend takes the exam and rece ...

Suppose we obtain a random sample of 80 champaign voters of

Suppose we obtain a random sample of 80 Champaign voters, of which 55 support marijuana legalization. We also obtain a random sample of 100 Urbana voters, of which 75 support marijuana legalization. Let pC be the true pr ...

Given the following waiting time distribution in a hotel

Given the following waiting time distribution in a hotel, compute the  expected value  of the waiting time in 2 dec pl.    Waiting time (minutes) Probability 4.0            20% 4.5 28% 5.0 32% 5.5 10% 6.0 10%

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 ...

An airplane manufacturer currently produces six models of

An airplane manufacturer currently produces six models of airplanes for commercial sale. the airline that lauren works for is rapidly expanding and would like to purchase three airplanes of different models to service va ...

1 give five examples of physiological measures2 what

1. Give five examples of physiological measures. 2. What considerations must a researcher keep in mind when writing the questions to be used on a questionnaire or in an interview? 3. What is a double-barreled question? 4 ...

1 when do researchers use regression analysis2 what is

1. When do researchers use regression analysis? 2. What is multiple regression analysis? 3. Distinguish among simultaneous (or standard), stepwise, and hierarchical regression.

1 suppose the mean test scores for a college enter exam is

1) Suppose the mean test scores for a college enter exam is normally distributed with mean = 78 and standard deviation = 12. a). If an individual student is selected at random, what is the probability that this student's ...

A caterer is competing for a companys business the caterer

A caterer is competing for a company's business. The caterer randomly selects a past client and submits a tasting menu consisting of all the dishes prepared for the past client. What type of sample is this? A college fac ...

According to an article in newsweek the natural ratio of

According to an article in Newsweek, the natural ratio of girls to boys is 100:105. In China, the birth ratio is 100: 114 (46.7% girls). Suppose you don't believe the reported figures of the percent of girls born in Chin ...

  • 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