A Recent Study Claimed That at Least 15

question 38

Essay

A recent study claimed that at least 15 % of junior high students are overweight. In a sample of 160 students, 18 were found to be overweight. At α=0.05 , test the claim.

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Definitions:

Protein

Essential macromolecules composed of amino acids, crucial for the structure, function, and regulation of the body's cells, tissues, and organs.

Dairy Products

Food products made from milk, such as cheese, butter, yoghurt, and ice cream.

Calcium

A mineral essential for bone health and the proper function of the heart, muscles, and nerves.

Red Blood Cells

Cells in the blood responsible for carrying oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs.