The raw scores of 20 students of Utopia high School who took part in an examination in economics are given below:38,39,12,20,18,28,20,46,34,20 70,64,52,48,64,43,66,53,69,34
a). what is the mean scores of the students mark?
b). how many students passed the examination
c). what percentage of the students failed the examination?
d). how many students scores below the mean score?

Which of the following differentiates cost accounting and financial accounting? a. the primary users of cost accounting are the investors, whereas the primary users of financial accounting are the managers. b. cost accounting measures only the financial information related to the costs of acquiring fixed assets in an organization, whereas financial accounting measures financial and nonfinancial information of a company's business transactions. c. cost accounting measures information related to the costs of acquiring or using resources in an organization, whereas financial accounting measures a financial position of a company to investors, banks, and external parties. d. cost accounting deals with product design, production, and marketing strategies, whereas financial accounting deals mainly with pricing of the products.

Which of the following is a competitive benefit experienced by the first mover firm in an industry? a. the first mover will be able to achieve a less steep learning curve. b. the first mover will be able to reduce the switching costs. c. the first mover will not have to patent its products or technology. d. the first mover will be able to reduce costs through economies of scale.

What are two dangers of online banking?