Purchase Solution

Comparing Four Dietary Regemens:

Not what you're looking for?

Ask Custom Question

Comparing four dietary regemens:

(1) Do an F-test and a Kruskal-Wallis test. Indicate the hypotheses and assumptions.

(2) How do you choose between the F-test and the Kruskal-Wallis test?

(3) Plot the residuals vs diet and the residuals vs normal quantiles. Make a histogram.

***See the attached files for the complete problem and the dataset.***

Attachments
Purchase this Solution
Solution Summary

The expert compares four dietary regemens. Choosing ebtween f-tests and Kruskal-Wallis tests are determined.

Solution Preview

I used SPSS to do these problems, using the data you provided in the Excel file:

Kruskal-Wallis test:

This is a one-way analysis of variance by ranks, so it is non-parametric. It does not assume a normal population. It is like the one-way analysis of variance (ANOVA; see below), but with the ranks of the data (ordering of the data from lowest to highest) replacing the actual numbers.

p = 0.055

F-test:

This test assumes that all the populations being tested have normal distributions and tests the hypothesis that the means of ...

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.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Weight Management Diets

    This was demonstrated by the findings of a meta-analysis of 48 randomized trials (7286 individuals) comparing different dietary programs (predominantly low carbohydrate, moderate macronutrient, or low fat) with a comparator (no diet or competing dietary

  • Harvard Eating Plate versus the USDA MyPlate

    The site offers a nice chart, comparing line by line comparisons between the two dietary recommendations.

  • Goat Milk versus Cow Milk

    Calories: 168 % Daily Values* Total Fat 10.1g 16% Saturated Fat 6.507g 33% Polyunsaturated Fat 0.364g Monounsaturated Fat 2.706g Cholesterol 27mg 9% Sodium 122mg 5% Potassium 498mg Total Carbohydrate 10.86g 4% Dietary

  • Step-Down Method

    The Dietary department costs $(407,500) are allocated to the remaining four departments (one service and three revenue) based on Meals (37,500 Meals since the Meals from the Maintenance department are excluded).

  • Canada's Food Guide to Healthy Eating

    "Dietary Reference Intakes" (DRIs) is an umbrella term that describes four types of reference values: • Estimated Average Requirement (EAR) • Recommended Dietary Allowance (RDA) • Adequate Intake (AI) • Tolerable Upper Intake Level (UL) The DRIs

  • Human Nutrition and the Governmental Role

    Perhaps there is an appropriate role for the government in dietary decisions e.g. nutrition education, but there is also competing dietary advice for consumers that ought not to be.

  • Are Dietary Supplements Safe and Effective?

    113320 Are Dietary Supplements Safe and Effective? "Are Dietary Supplement Safe and Effective?" comment on the question. What Are Dietary Supplements?

  • Dietary Modifications During Different Life Stages

    194385 What are some of the reasons dietary modifications may be needed in different life stages? What are some of the reasons dietary modifications may be needed in different life stages? Give three examples (bullet form) to support your answer.

  • Questionnaire

    My dissertation is about launching a new dietary supplement product. This product is called Lutein which is a dietary supplement.

View More Related Solutions