Dr. Ross' diet pills are supposed to cause significant weight loss. The following table shows the...
Dr. Ross' diet pills are supposed to cause significant weight loss. The following table shows the results of a recent study where some individuals took the diet pills and some did not.
|
Diet Pills |
No Diet Pills |
Total |
|
|
No Weight Loss |
80 |
20 |
100 |
|
Weight Loss |
100 |
100 |
200 |
|
Total |
180 |
120 |
300 |
With 95% confidence, test to see if losing weight is dependent on
taking the diet pills. If the value of the test statistic is equal
to 25, what is the conclusion?
Select one:
A. It is dependent
B. It is not dependent
C. More information is needed to answer this question
D. None of the above answers is correct
Homework Answers
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Independent Samples t-test (Worth 15 points) Scenario: An article in the journal Applied Nutritional Investigation reported the results of a comparison of two different weight-loss programs (Liao, 2007). In the study, obese participants were randomly assigned to one of two groups: (1) the soy group, a low-calorie group that ate only soy-based proteins or (2) the traditional group, a low-calorie group that received 2/3 of their protein from animal products and 1/3 from plant products. One of the dependent measures...
Independent -Samples t-test (Worth 15 points) Scenario: An article in the journal Applied Nutritional Investigation reported the results of a comparison of two different weight-loss programs (Liao, 2007). In the study, obese participants were randomly assigned to one of two groups: (1) the soy group, a low-calorie group that ate only soy-based proteins or (2) the traditional group, a low-calorie group that received 2/3 of their protein from animal products and 1/3 from plant products. One of the dependent measures...
1. Many companies use a incoming shipments of parts, raw materials, and so on. In the electronics industry, component parts are commonly shipped from suppliers in large lots. Inspection of a sample of n components can be viewed as the n trials of a binomial experimem. The outcome for each component tested (trialD will be that the component is classified as good or defective defective components in the lot do not exceed 1 %. Suppose a random sample of fiver...
The following ANOVA model is for a multiple regression model
with two independent variables:
Degrees
of
Sum
of
Mean
Source
Freedom
Squares
Squares
F
Regression
2
60
Error
18
120
Total
20
180
Determine the Regression Mean Square (MSR):
Determine the Mean Square Error (MSE):
Compute the overall Fstat test statistic.
Is the Fstat significant at the 0.05 level?
A linear regression was run on auto sales relative to consumer
income. The Regression Sum of Squares (SSR) was 360 and...
Read the attached article and answer the following
questions.
1. What is the role of potassium in blood pressure?
2. Looking back at last weeks Super Tracker report - do you meet
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3. Do you meet the 400mg daily target for magnesium?
4. Research shows that hypertension and type 2 diabetes can be
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government, doctors, etc. (you can use another group ) can either
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