The number of hours spent watching TV the weekend before a math test and the test results for thirteen students in Mr. Holland's class are plotted below and a line of best fit is drawn. If the equation of the line is y = -5.9x + 91.9, select all the statements that are true.
A.
The slope of the line indicates that the test score and time spent watching TV have a negative relationship.
B.
The linear model predicts an approximate 6-point drop in test score for one hour spent watching TV.
C.
The y-intercept of the line indicates that a student who spends no time watching TV will get the highest test score.
D.
The linear model predicts an approximate test score of 92 if no time is spent watching TV.
E.
According to the model, when watching 6 hours of television, your projected test score is 70.

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.

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show da graph

step-by-step explanation: