a choral conductor (1 point) A choral condactor hars 1314 singers in her choir, some of...
(1 point) A choral conductor has 1275 singers in her choir, some of them are professional singers. The conductor wants to estimate what percentage of singers are professional, but can't ask all 1275, so she instead asks 636 singers in front and finds 18 who are professionals. (a) What specific type of bias does this scenario demonstrate? A. Voluntary response sampling B. Convenience Sampling C. It is representative of the population. D.None of the above. (b) Identify the sample. A....
A choral conductor has 1772 singers in her choir, some of them are professional singers. The conductor wants to estimate what percentage of singers are professional, but can't ask all 1772, so she instead asks 684 singers in front and finds 15 who are professionals. Identify the parameter, statistic, population, and if any type of bias occurred during this scenario.
Please help with last one ? (1 point) A laboratory study investigating the relationship between diet and weight in adult humans found that the weight of a subject, W, in pounds, was a function, W -f(c), of the average number of Calories, c, consumed by the subject in a day (a) In the statement f(1600)- 145 what are the units of 1600 cal what are the units of 145? lb (Think about what this statement means in terms of the...
Please explain how you got your answer. 1. The standard error of x-bar1 - x-bar2 is the measure of ____ for the sampling distribution of x-bar1 -- x-bar2. a) point estimator b) interval estimate c) standard deviation 2. The point estimator for the difference between two population means, u1 - u2, is___ a) o1 - o2 b) s1 - s2 c) there is no point estimator for the difference between two population means 3. Suppose students with an ACT Math...
1. Which of the following is not considered a nutrient a Vitamin B. Water c.Carbohydrate (d) Alcohol e Mineral 2. For which of the following causes of death does a person's diet play a part? a. Lung disease (6) Cancer Chronic lower respiratory diseases d. Infections of the blood e AIDS 3. Researchers repeatedly report that people who consume a variety of foods such as fruits, vegetables, legumes, nuts, and whole grains have reduced risks of which of the following...
Chapter overview 1. Reasons for international trade Resources reasons Economic reasons Other reasons 2. Difference between international trade and domestic trade More complex context More difficult and risky Higher management skills required 3. Basic concept s relating to international trade Visible trade & invisible trade Favorable trade & unfavorable trade General trade system & special trade system Volume of international trade & quantum of international trade Commodity composition of international trade Geographical composition of international trade Degree / ratio of...
Based on the document below, 1. Describe the hypothesis Chaudhuri et al ids attempting to evaluate; in other words, what is the goal of this paper? Why is he writing it? 2. Does the data presented in the paper support the hypothesis stated in the introduction? Explain. 3.According to Chaudhuri, what is the potential role of thew alkaline phosphatase in the cleanup of industrial waste. CHAUDHURI et al: KINETIC BEHAVIOUR OF CALF INTESTINAL ALP WITH PNPP 8.5, 9, 9.5, 10,...