In the context of time series, explain the following terms: (i) A basic trend. (ii) Seasonal fluctuations. (iii) Cyclical fluctuations. (iv) Residual variations.
Briefly but clearly explain: (a) The null-hypothesis and the alternative hypothesis. (5 marks) (b) The circumstances in which the paired t-test should be used to test […]
It is common in developing countries to have individuals who cannot distinguish between taxes and charges. Explain the difference between a tax and National social Security […]
The following purchases and sales were made by Pepo Limited (VAT No. !00012Y) during the first two weeks of January 2006. Prices shown are inclusive of […]
The lifetimes of a certain type of electrical components are distributed with a mean of 800 hours and standard deviation of 160 hours. Required: (i) Identify […]
A green grocer buys peaches in large consignments directly from a wholesaler. In view of the perishable nature of the commodity, the green grocer accepts that […]