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Firefox File Edit View History Bookmarks Tools Window Help Tue 7:12 PM e e um week 13: o Hypothesis "U un Take Test: Quiz 5: Estimat mcphs blackboard.com/webapps/assessment/takellaunch.jsp?course assessment id 13065 1&cours; e a search cINAHL support c... Most visited D) Us National Lib coursework MCPHS Blackbo. Ref Grab it RefWorks Login Microsoft Office How to Use Coch w Question Completion Status: Save All Answers Close Window Save and Submit QUESTION 1 1 points Save Answer All questions will use the following information. Researchers were interested whether vitamin D levels varied by racelethnicity. So they asked the following question: Are the plasma vitamin D levels among a sample of East lndian imigrants 40-60 years different from the general non-Hispanic white Us population of the same age range? They conducted an appropriate test and obtained the following results. General US population: mean Vitamin D 58 nmolL East Indian immigrant sample: mean vitamin D 32 nmolL p-value 0.002 What is the independent variable in this study? QUESTION 2 1 points Save Answer The dependent variable in this research study is vitamin D concentrations. True False

Explanation / Answer

1) Here researchers want to know whether the vitamin D levels vary with race ethinicity. So independent variable is race ethinicity.

2) As we are observing vitamin D concentration levels so its the dependent variable.

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