When should a chi-square test be performed (3 marks) b) List two (2) types of chi-square test and explain the difference between
both tests. (4 marks)
c) How do you find a chi-square value in the left tail of the distribution? (2
marks)
d) What is the parameter of a chi-square test? (1 mark)
e) What are observed and expected frequencies? (2 marks)
f) How is a chi-square distribution different from the z-distribution? (2
marks)
g) A busy pharmacy has a BMI weight scale installed inside the pharmacy,
which is available to customers Mondays through Fridays. The manager
of the pharmacy wanted to investigate if the number of persons utilizing
the BMI scale are the same for each of the 5 days of the week. A count
on one random week revealed the following data.

Which of the following is a problem for the production of public goods?

Specialization—the division of labor—enhances productivity and efficiency by a) allowing workers to take advantage of existing differences in their abilities and skills. b) avoiding the time loss involved in shifting from one production task to another. c) allowing workers to develop skills by working on one, or a limited number, of tasks. d)all of the means identified in the other answers.

University hero is considering expanding operations beyond its healthy sandwiches. jim axelrod, vice president of marketing, would like to add a line of smoothies with a similar health emphasis. each smoothie would include two free health supplements such as vitamins, antioxidants, and protein. jim believes smoothie sales should fill the slow mid-afternoon period. adding the line of smoothies would require purchasing additional freezer space, machinery, and equipment. jim provides the following projections of net sales, net income, and average total assets in support of his proposal. sandwichesonly sandwiches and smoothies net sales $ 750,000 $ 1,350,000 net income 120,000 210,000 average total assets 350,000 750,000 return on assetschoose numerator ÷ choose denominator = return on assets÷ = return on assets÷ = profit margin÷ = profit margin÷ = asset turnover÷ = asset turnover÷ = times