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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.
Determine and interpret a 95% confidence interval for the mean amount of time Americans age 15 or older spend eating and drinking each day.
What is the likelihood that none of the selected flights arrived within fifteen minutes of scheduled time?
An investor wants to assess at confidence level of 98% if a medicament can improve the marks of students. He notices that for the following daily dozes: 2,2.5,3,4.5,7 mg, the improvement over the students that studied the same but took no mental b..
The manufacturer of a nationally known "lite beer" claims that the approval rating for it's product is at least 85%. A local soft drink manufacturer has retained a marketing agency to test the "lite beer".
What is the probability that a consumer selected at random: a. purchased fewer products than before? b. purchased the same number of products as before?
An internet company has redesigned its website to improve the online experience of its customers. To test whether the new design has improved its customers' experience it has asked people to comment on whether they prefer the new format or not.
Fixed construction cost for upper-deck area is evaluated to be $1,500,000, with variable cost of $50,000 for each box constructed. Determine the breakeven point for number of luxury boxes in new stadium?
The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..
Mean of $32,000 and a standad deviation of $3000. If 100 teachers are randomly selected, find the probability that their mean salary is greater than $32,500.
For all questions, clearly explain/show your answers. For the Analysis section, justify your answers with the appropriate graphs, statistics, equations, etc.
Carry out suitable multiple comparison procedure to determine the source of the difference.
Mauricio Cruz, a wine merchant for Cruz's Spirits Emporium, wants to determine if the average price of imported wine is less than the average price of domestic wine.
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