A Researcher Wishes to Study Whether a Particular Diet Is

question 85

Essay

A researcher wishes to study whether a particular diet is effective in helping people to lose weight. 90 randomly
selected adults were weighed before starting the diet and again after following the diet for one month. 48 people
lost weight, 40 gained weight, and 2 observed no change in their weight. At the 0.01 significance level, test the
claim that the diet is effective.

---

Definitions:

Unilateral Contract

A contract in which one party makes a promise that the other party can accept only through an action, not a promise.

Accept

To receive something willingly or to agree to a proposition or offer.

Promisee

The person to whom a promise is made or directed in a contract, opposite to the promisor.

Promisor

The individual or party in a contract who makes a promise to perform an act or service.