A nutritionist wanted to know what factors explain the number of calories in bre

Question

A nutritionist wanted to know what factors explain the number of calories in breakfast cereals. She listed several that she thought might have an influence on the number of calories in breakfast cereals. Which of the following should the nutritionist use to determine which of those she listed significantly explain the number of calories in breakfast cereals?

chi-square test

Ducks inhabiting the Great Salt Lake marshes feed on a variety of animals. The change in the availability of these animal species for ducks during the summer was investigated. Researchers wanted to compare the mean amount of a particular duck food species (measured as biomass) across four different summertime periods (early July, late July, early August, late August). Assuming all conditions are satisfied, which of the following is the most appropriate to use to analyze the data the researchers will collect?

Analysis of Variance

Assuming all conditions are satisfied, which of the following is the most appropriate method to use to estimate the proportion of days last year that had high temperatures below the average for the day?

Explanation / Answer

The nutritionist use to determine which of different variables she listed significantly explain the number of calories in breakfast cereals so there are more one explanatory variable.

That is multiple regression will be used.

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Analysis of Variance

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one-sample z-methods for proportions

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