In time series analysis which source of variation can be estimated by the ratiototrend method:
If the arithmetic mean is 26.8 and the median is 27.9, then the mode is :
Consider the following time series data :
Fitting a straight-line, is the trend value for the year 1992 is :
Let A and B be the two possible outcomes of an experiment and suppose P(A) = 0.4, P(A U B) = 0.7 and P(B) = p, for what choice of p, A and B independent?
In multiplicative model of time series: Xt= Tt x St x Ct x It, where Tt , St , Ct , It are trend, seasonal, cyclical and irregular components, what can be said about the values of It?
For four observations 1, 0, 1, 4, the measure of kurtosis equals