Inferences from Two Samples
Not what you're looking for?
A) State the null and alternate hypothesis.
B) Determine the rejection region. For example "if , then reject ".
C) Determine the Test Statistic.
D) Conclude either "Reject " or "Do not reject " based on your analysis and answer the question.
E) Determine the p value of the test.
Note: Please show how everything was obtained.
A survey was done to determine if the Cholesterol level of Americans was different than that of Canadians. Sampling from both the US and Canada yielded the following results.
Sample Size Mean Cholesterol Standard Deviation
US 40 179.2 5.3
Canada 35 177.1 3.9
Is there enough evidence at the 1% significance level to say that the cholesterol levels of US citizens and Canadian citizens differ?________
Purchase this Solution
Solution Summary
A) State the null and alternate hypothesis.
B) Determine the rejection region. For example "if , then reject ".
C) Determine the Test Statistic.
D) Conclude either "Reject " or "Do not reject " based on your analysis and answer the question.
E) Determine the p value of the test.
Note: Please show how everything was obtained.
A survey was done to determine if the Cholesterol level of Americans was different than that of Canadians. Sampling from both the US and Canada yielded the following results.
Sample Size Mean Cholesterol Standard Deviation
US 40 179.2 5.3
Canada 35 177.1 3.9
Is there enough evidence at the 1% significance level to say that the cholesterol levels of US citizens and Canadian citizens differ?________
Solution Preview
See the attached file. Hope this will help. Thanks
A) State the null and alternate hypothesis.
Ho = Cholesterol level of Americans is same as that of Canadians = 1=2
Ha = Cholesterol level of Americans was different than that of Canadians 12
B) Determine the rejection region. For example "if , then reject ".
This is ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
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.
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.