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?

Roi analysis using dupont model. charlie? s furniture store has been in business for several years. the firm? s owners have described the store as a ? high-price, highservice? operation that provides lots of assistance to its customers. margin has averaged a relatively high 32% per year for several years, but turnover has been a relatively low 0.4 based on average total assets of $800,000. a discount furniture store is about to open in the area served by charlie? s, and management is considering lowering prices in order to compete effectively. required: a. calculate current sales and roi for charlie? s furniture store. b. assuming that the new strategy would reduce margin to 20%, and assuming that average total assets would stay the same, calculate the sales that would be required to have the same roi as they currently earned. c. suppose that you presented the results of your analysis in parts a and b of this problem to charlie, and he replied, ? what

mark, a civil engineer, entered into a contract with david. as per the contract, mark agreed to design and build a house for david for a specified fee. mark provided david with an estimation of the total cost and the contract was mutually agreed upon. however, during construction, when mark increased the price due to a miscalculation on his part, david refused to pay the amount. this scenario is an example of a mistake.

In 2000, campbell soup company launched an ad campaign that showed prepubescent boys offering soup to prepubescent girls. the girls declined because they were concerned about their calorie intake. the boys explained that “lots of campbell’s soups are low in calories,” which made them ok for the girls to eat. the ads were pulled after parents expressed concern. why were parents worried? i