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

#introduction to statistics, #A________variable is a variable whose values ...

#A________variable is a variable whose values are countable.

Accrual basis in accounting , The foundation sales whereby income are ackno...

The foundation sales whereby income are acknowledged when gained and considerable regardless of when collected; and costs are noted on a corresponding basis when suffered. All amaz

Accounting standards aims and objectives, Accounting Standards Aims and Obj...

Accounting Standards Aims and Objectives:  The aim of this report is to understand the various changes that have taken place in the accounting standards in various countries since

Inventory control, Inventory control Inventory Control is the guidance of ...

Inventory control Inventory Control is the guidance of provide, storage and convenience of items to ensure an adequate provide without excessive oversupply. It can also be known a

Customer behaviour, customer behaviour in accounting felid of study

customer behaviour in accounting felid of study

Are depreciation, Are depreciation, depletion and amortization similar? ...

Are depreciation, depletion and amortization similar? In accounting the terms depreciation, depletion and amortization often involve the movement of costs from the balance s

QT, Following is the trend equation for a time series data on a monthly bas...

Following is the trend equation for a time series data on a monthly basis for years 2007 to 2009: Y=2.375+0.895X. Find Y for 2nd quarter of 2010.

INDEX NUMBER, FUNCTION SIMPLE AGGREGATIVE, SIMPLE RELATIVE

FUNCTION SIMPLE AGGREGATIVE, SIMPLE RELATIVE

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