Test level of significance that not all mean times for pain
Not what you're looking for?
Three different brands of pain relief medication are available for minor aches and pains. It is of interest to know whether the mean time to relieve the pain differs from brand to brand. To find out, twelve individuals with minor aches and pains were
randomly assigned to one of the three brands. The time to relieve the pain (in minutes) for each individual is provided in the table below.
Brand A Brand B Brand C
I0 I5 20
l2 22 25
I5 25 20
I4 I9 ll
Given that the necessary assumptions are satisfied. can it be concluded. at the 2.5% level of signiicance, that not all mean times to relieve pain are equal? Formulate and test the appropriate hypotheses. Use the critical value approach.
Please see attached file for proper formatting.
Purchase this Solution
Solution Summary
This solution is comprised of an step-by-step explanation and application of ANOVA within the context of statistics.
Solution Preview
Please refer to attached file for the complete and formatted solution.
(a) Ho: There is no difference between the treatment means; that is, m1 = m2 = ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.