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Choose a construct you would like to measure.• Create an operational definition of your construct using at least three peer-reviewed journal articles as references.• Select and list five items used to sample the domain.• Select the method of scaling appropriate for the domain. Justify why you selected the scaling method you did.• Format the items into an instrument with which you would query respondents. Justify whether this is an interview or self-report instrument.
Your company manufactures low calorie frozen dinners. The advertised calorie content is 200 calories. A consumer activist group, FACT: fat and calories tribunal, is claiming that your product is not consistent.
Organize data into a frequency distribution. How many classes would you propose? What value would you propose for class interval?
An accounting professor at a state university in Vermont recently gave a three-question multiple-choice quiz. What is the probability of getting a perfect score if you were forced to guess at each question?
The time (in hours) until failure of a transistor is a random variable X which is exponentially distributed with mean = 50. It is observed that after 40 hours the transistor is still working. Find the conditional probability that X > 65.
USA Today conducted a survey asking readers, "What is the most hilarious thing that has ever happened to you en route to or during a business trip?" a. What kind of sampling method is this?
Given the large difference between the two measures of central tendency, which of the two would you rely on in describing the average claim cost and why?
Randomly selected nonfatal occupational injuries and illnesses are categorized, according to the day of the week that they first occured, and the results are listed below.
A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.
A researcher wants to know if elderly people who own dogs are equally as likely to pay visits to their doctors than those who do not own dogs.
Calculate separate confidence intervals for the numbers of days absent for Clinic A and Clinic B, respectively.
A random sample of 77 eighth grade students' scores on a nation mathematics assessment test has a mean score of 278 with a standard deviation of 31.
Would the null hypothesis be accepted or rejected in this case?
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