A Survey of 25 Grocery Stores Revealed That the Mean

question 42

Multiple Choice

A survey of 25 grocery stores revealed that the mean price of a gallon of milk was $2.98,with a standard error of $0.10. What is the 95% confidence interval to estimate the true cost of a gallon of milk?

• A)$2.81 to $3.15
• B)$2.94 to $3.02
• C)$2.77 to $3.19
• D)$2.95 to $3.01

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Definitions:

Testosterone

A primary male sex hormone that plays key roles in health and well-being, including influencing muscle mass, hair growth, and sexual function.

Chromosomes

Filamentous entities within the nucleus of both animal and plant cells, composed of protein and one molecule of deoxyribonucleic acid (DNA).

Vesicles

Small fluid-filled sacs within the cytoplasm of a cell, involved in transport, storage, and metabolism within the cell.

Chorionic Villus Sampling

A prenatal test in which a sample of chorionic villi from the placenta is taken to test for genetic abnormalities in the fetus.