hypothesis testing.., Basic Statistics

Assignment Help:
Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks significantly more often than females. To further investigate this phenomenon, suppose a researcher selects a random sample of n=36 male undergraduates and a sample of n=25 females. On average, the males reported consuming M=2.45 drink per month and females had an average of M=1.28. Assume that the overall level of consumption for college undergraduates averages population mean=1.85 energy drinks per month, and that the distribution of montly consumption scores is approximately normal with a standard deviation of 1.2.

a) Did this sample of males consume significantly more energy drinks than the overall population average? Use a one-tailed test with a a=.01
b) Did this sample of females consume significantly fewer enery drinks than the overall population average? Use a one-tailed test with a a=.01

Related Discussions:- hypothesis testing..

Index numbers, various types of index numbers constructed in india ????

various types of index numbers constructed in india ????

reading and display data-affine relation, We start reading and display the...

We start reading and display the data: library (UsingR) data(galileo) g2=galileo$init.h-500 gl=galileo$h.d par(bg='cornsilk') plot(gl,g2,pch=20,col="red",cex=2,yl

Devaition, i have data points of the form (x,y) of a cluster... I want to f...

i have data points of the form (x,y) of a cluster... I want to find variance nad standard deviation of this so dat i can decide which is a good cluster... so let me know how to do

Nominal data, what type of analysis is suitable for nominal data?

what type of analysis is suitable for nominal data?

Co-relation, Co-relation: Co-relation in this case studies the behavior how...

Co-relation: Co-relation in this case studies the behavior how each of the investment opportunity would react to any event vis – a vis each other. The same is measured in terms of

HYPOTHESIS, HOW TO FIND NULL HYPOTHESIS

HOW TO FIND NULL HYPOTHESIS

Applications of linear regression, Linear regression is widely used in bi...

Linear regression is widely used in biological behavioral and social sciences to describe relationship between variables. It ranks as one of the most important tools used

What is the probability, Suppose the entire cola industry produces only two...

Suppose the entire cola industry produces only two colas viz., Pepsi and Coke.  Given that a person last purchased Pepsi, there is 90% that his next purchase will be Pepsi.  Given

In-depth analysis of the effects of the salary, Background: There was no 2...

Background: There was no 2004-05 National Hockey Leagues (NHL) season because of a labour dispute between the players and the teams. One of the outcomes of the labour dispute was

What is prime cost, What is prime cost? Primary price is the combin...

What is prime cost? Primary price is the combination of a manufactured item's expenditures of immediate materials and immediate labor. In other words, prime price represent

Write Your Message!

Captcha
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