A nutritionist claims that a low carbohydrate diet helps peo…
A nutritionist claims that a low carbohydrate diet helps people to lose weight. To test her claim, she selects a random sample of her clients and provides them with a 4-week low carbohydrate diet plan. The weight of each participant is recorded before starting the diet plan and after completing the plan. Which of the following is an appropriate test for the nutritionist’s claim?