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..

IET 3339, 1. If each sample taken has 500 units, and the average proportio...

1. If each sample taken has 500 units, and the average proportion nonconforming is 0.034, what is the upper and lower control limits for the p-chart? 2. If you sample 450 parts

Computing observed probability values , For an alignment shown below derive...

For an alignment shown below derive log-odds score for the column 1 only by a)  Computing observed probability values b)  Expected probability values TAGCTT AAGCTC T

Probability, Find the z value corresponding if the area to the left of the ...

Find the z value corresponding if the area to the left of the z is 0.9452

Describe time cost of working alters of budget constraint, Suppose that an ...

Suppose that an individual has unearned income of $V and can choose how many hours she works per week at a wage of $w per hour.  Assume that she has a total of 110 hours of time to

Probability, 1) A certain brand of batteries has a lifetime that has a norm...

1) A certain brand of batteries has a lifetime that has a normal distribution with a mean of 3,800 hours and a standard deviation of 390 hours. b) What lifetime should the manufac

Assignment, i want you to make my buisiness statistics assignment

i want you to make my buisiness statistics assignment

What are saturn’s rings like, What are Saturn’s rings like? - Saturn’s ri...

What are Saturn’s rings like? - Saturn’s rings are made of tiny icy objects ranging from particles to boulders each orbiting Saturn independently like a tiny moon. They lie in S

Index numbers, What are the advantages and disadvantages of index numbers

What are the advantages and disadvantages of index numbers

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