Difference between the mean potency – t - test, Basic Statistics

Assignment Help:

A researcher working for a drug company is interested in investigating the effect of storage on the potency of one of the company's drugs. 10 freshly produced bottles of the drug are randomly selected and the potency measured. Another 10 freshly produced bottles of the drug are randomly chosen and stored under controlled conditions for 6 months before the potency was measured. Summary statistics are displayed below:

1402_Difference between the Mean Potency – T - Test.png

(a) Carry out a t-test to investigate if there is a difference between the underlying mean potency for freshly produced drugs and that of drugs stored for 6 months. Notes:

(i) Refer to the instructions on page 1 of this assignment: "Hypothesis tests in this assignment".

(ii) Follow the step-by-step guide to performing a t-test

(iii) Once you have calculated your test statistic, it is necessary to use either a graphics calculator, SPSS, Excel or t-tables to determine the P-value.

(b) Does your confidence interval from part (a) contain the true difference? Briefly explain.


Related Discussions:- Difference between the mean potency – t - test

Kolmogorov test, how can i get a free software to run a kolmogorov test?

how can i get a free software to run a kolmogorov test?

Problem Set, I have an assignment requiring SPSS analysis and ANOVA. Can y...

I have an assignment requiring SPSS analysis and ANOVA. Can you do this assignment due by Aug 13. There are three sets of questions for each lesson totaling 3 assigned chapters.

Defining statistics, Problem 1 Statistics plays a vital role in almost ...

Problem 1 Statistics plays a vital role in almost every facet of human life. Statistics. Explain the applications of statistics in business and management. Defining Stati

Statistics & Business Research Report Proposal: Initial Rese, The initial r...

The initial research proposal will consist of the following SIX (6) items: 1. Identify a business research topic 2. Define the research questions for the identified problem or opp

What is Art collection , What is Art collection A personal perform of art...

What is Art collection A personal perform of art or number of products of unique graphics such as artwork, statues, craftwork or other elements generally determined as a perform

Accounting for partnerships and limited liability companies, Singer & Mcman...

Singer & Mcmann are partners in business. Singer''s original capital was $40,000 and Mcmann''s was $60.000. They agree to salaries of $12,000 and $18,00 respectively and 10% inte

Simulate a worm propagation considering no delay, You are required to simul...

You are required to simulate simple worm propagation in a medium-scale network by using discrete-time simulation technique. Assume that in an isolated network with IP address

Chi squared, I am using chi squared statistic on a 10 point Likert scale. I...

I am using chi squared statistic on a 10 point Likert scale. I am then trying to analyses if there is any difference between two groups of respondents....male and female. How do Ic

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