ERROR ANALYSIS Assignment

1. Given the numbers : x = 2.678, and y = 0.8765, measured to the nearest of decimal places indicated.

• State the maximum possible errors in x and y
• determine the absolute error in xy.
• find the limits within which the product xy lies, correct to 4 decimal places

2. A trader in tea and coffee makes an annual profit in tea of Shs. 10800 with a margin of error and an annual loss of Shs. 560 million with a margin of .

find the range of values representing his gross income.

Given that his annual income tax is Shs 75 million, express this as a percentage of his gross income giving your answer as a range of values.