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1.Explain clearly the concept of regression. Explain with suitable example it's role in dealing with business problem
2. Write short notes on the following.
(a) Spunous correlation
(b) Positive and negative correlation
(c)Linear and non linear correlation
(d) Simple, multiple and partial correlation.
An Economy has grown at 5 percent in the first year, 6 percent in the second Year, 4.5 percent in the third year, 3 percent in the fourth year and 7.5 percent in the fifth year. What is the average rate of growth of the economy during the five years?
A person has invested shs 5000 in the stock market. At the end of the first year the amount has grown to shs 6250, he has had a 25 percent profit. If at the end of the second year his principal has grown to shs 8750, the rate of increase is 40 percent for the year. What is the average rate of increase of his investment during the two years.
Briefly explain and illustrate graphically the impact the change in consumers tastes and preferences will have on the original demand curve.
Identify one product of your choice that is sold in grams, kilograms,millilitres; litres in a tabular format ;record five quantities and the price of the the product. Your schedule should have a heading
2. Draw a well -labelled graph using the information on the table /schedule.
1.Identify one product of your choice that is sold in grams, kilograms,millilitres; litres in a tabular format ;record five quantities and the price of the the product. Your schedule should have a heading
2. Draw a well -labelled graph using the information on the table /schedule.
3.What is the slope of your graph? Which low can you relate the slope to? Motivate your answer.
4.Assume the price of the product has increased by R5 in all the quantities you listed in question 1 .Design a table which shows what quantities will be demanded at which price? Copy a the geaph in quesrion number 2 to 4 ; then sketch the demand curve
5. Briefly explain and illustrate graphically the impact the change in consumers tastes and preferences will have on the original demand curve.
How can oligopoly cause market failure
A company has a linear total cost function and has determined that over the next three months it can produce 12,000 units at a total cost of $224,000. This same manufacturer can produce 18,000 units at a total cost of $296,000. The selling price per unit is $13.25. i. Determine the revenue, cost and profit functions using q for number of units. ii. What is the fixed cost ? iii. What is the marginal cost ? iv. Find the break-even quantity. v. What is the break-even dollar volume of sale ? vi. What will profit be if the company shuts down operation? vii. If, because of a strike, the company will be able to produce only 10,000 units, should it shut down for the next three months ? why or why not ?
4. Winthorp Printing Company has estimated the cost of making new brochures for one of its major clients as follows: an initial cost of $2,500, $3 per brochures for the first 5,000 brochures, $2 per brochure for the next 10,000 brochures and $1.50 per brochure for any brochure in excess of 15,000. i. Determine the cost function and graph it. ii. What are the total and average costs of 4,000 brochures ?. iii. Of 14,000 brochures ? iv. Of 24,000 brochures ? P
v. How many brochures were printed if the total charge was $ 60,000 ? vi. How many brochures were printed if the average charge was $ 2.75 ?
what is a slope
