EASY MULTIPLE CHOICE: Suppose that based on experience, a history of a voice disorder is assumed to be 25% in the elderly population. However, from recent study, you believe the true percentage is at least 30%. What sample size is needed to evaluate the hypothesis that the percentage is at least 30%, with α = 0.05, β = 0.20?
A.347
B.249
C.482
D.246
EASY MULTIPLE CHOICE: Suppose that based on experience, a history of a voice disorder is assumed...
SECTION A- Multiple-choice questions. [30 marks] Answer all the questions from this section. Choose the correct answers from the best alternatives given below. 1. What does sampling mean in research______________________. A. Identify people suitable for research B. Sampling using your intelligence guess C. Sampling people, a population D. is a given number of subjects from a defined population which is representative of it 2. When a number of researchers use the same operational definition to achieve the same result, this...
SYNOPSIS The product manager for coffee development at Kraft Canada must decide whether to introduce the company's new line of single-serve coffee pods or to await results from the product's launch in the United States. Key strategic decisions include choosing the target market to focus on and determining the value proposition to emphasize. Important questions are also raised in regard to how the new product should be branded, the flavors to offer, whether Kraft should use traditional distribution channels or...