At the beginning of the day the stock market goes down 4014 40 1 4 points and stays at this level for most of the day. at the end of the day the stock market goes up 9012" role="presentation"> 90129012 90 1 2 points from the low at the beginning of the day. what is the total change in the stock market from the beginning of the day to the end of the day? the total change in the stock market is points. points from the low at the beginning of the day. what is the total change in the stock market from the beginning of the day to the end of the day?

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.