I think it's likely they are going to ask about; Normal Distribution Time series (including moving averages) Spearman's Rank Histograms Interpreting data Maybe Binomial Distribution!
a non-random sampling technique that divides the population into subgroups and the same amount of people are taken out for example 100 females and 100 males
QUICK QUESTION !! You know for the trend line and the seasonal moving averages. You know the question ( usually the last part ) it says estimate the .... for 2008 quarter 2. Use your answer to part (d). How do you know whether to add it or take it away ?! Also another question - when drawing the line of best fit do you draw it through the mean ?
if its all the other 2nd quarters are above the line add it, they normally are above