6. what is a valid conclusion for the situation below ? if you save at least $150, then you can purchase a bicycle on sale . you have saved $135.

You can not purchase the bicycle.

Step-by-step explanation:

The statement given in the question is if you save at least $150 , you can purchase a bicycle

Saving at least $150 means saving $150 or more. This is to say that you can only purchase the bicycle if your savings are $150 and above.

So saving $135 is less than $150 hence you can not purchase the bicycle.

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step-by-step explanation:

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.