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..

material costing and control, summarize chapter 2 in three pages, material...

summarize chapter 2 in three pages, material costing and control

Does the claim represent the null hypothesis or the alterna., A scientist c...

A scientist claims that the mean incubation period for the eggs of a species of birds is more than 46 days.

Probability distribution, In a mathematics examination the average grade wa...

In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately no

Regression analysis, Regression line drawn as Y=C+1075x, when x was 2, and ...

Regression line drawn as Y=C+1075x, when x was 2, and y was 239. Given that y intercept was 11. Calculate the residual

Meaning of book keeping, What do you understand by the term “Book Keeping”?...

What do you understand by the term “Book Keeping”? Ans. In nutshell the attending the Accounting Process is called or referred as Book Keeping in other plain words we may concern

Find the correlation coefficient, We find the correlation coefficient and p...

We find the correlation coefficient and plot the scatter plot using excel as follows:   Time in Waiting Room      Heart Rate

Z-square, Is the z-square the same as the z-test? what is it used for and h...

Is the z-square the same as the z-test? what is it used for and how is it different from t-square?

Time series, discuss the nature and causes of the components of an economic...

discuss the nature and causes of the components of an economic time series?

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