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

Generally accepted accounting principles, Can the Depreciation on Assets be...

Can the Depreciation on Assets be recorded in Single Entry system? No, it cannot be possible. What do you mean by Computer Hardware? The computer is made with different co

Mba: accounting & finance for managers, . From the following cost, product...

. From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) margi

Characteristics of statistics, Mention the characteristics of statistics. E...

Mention the characteristics of statistics. Explain any two application of Statistics

Accounting problem, a business was started on January 1, 2011 and $1000 of ...

a business was started on January 1, 2011 and $1000 of supplies to use in the business. At the end of the month 25% of the supplies remains unpaid and 20% are still on hand. what a

Accounts receivable solutions, Volumes due from personal individuals or com...

Volumes due from personal individuals or companies for products, and/or solutions equipped by the condition. Records Receivable does not involve amounts due from other companies, r

Mathematical theory in otc, All parts should be answered as briefly as poss...

All parts should be answered as briefly as possible (quality not quantity!). A few sentences will suffice. Just get your opinions across succinctly. Unnecessarily long answers will

Determine the sources of data, The next step is to determine the sources of...

The next step is to determine the sources of data to be used. The researcher has to decide whether he has to collect primary data ror depend exclusively on secondary data. Sometime

Business tax accounting , 1. Passive losses are fully deductible as long as...

1. Passive losses are fully deductible as long as they do not exceed $50,000 during the year. A) True B) False 2. Wages are considered "active income." A) True B) False 3. A de

Costing for labour, ways or techniques for labour control policy

ways or techniques for labour control policy

estimate the mean chloride concentratio, An article in the Journal of Env...

An article in the Journal of Environmental Engineering (Vol. 115, No. 3,1989, pp. 608-619) reported the results of a study on the occurrence of sodium and chloride in surface str

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