Concept explainers
If for a class project, the scores that 10 randomly selected students earned on the first 8 tests of the school year are given, then how can equation for line of best fit can be evaluated. Can the line of best fit can be used to predict the scores of other students. Explain.
Answer to Problem 20HP
No.
Explanation of Solution
Given:It is given that for a class project, the scores that 10 randomly selected students earned on the first 8 tests of the school year are given.
Calculation: With the help of given data, the equation for line of best fit can be evaluated by analysing the pattern of data. If pattern is not clear somewhere the graphing calculator can be used to find the equation for line of best fit. Also, with the help of two point form the line of best fit can be evaluated by considering any two points on a line.
The line of best fit cannot be used to predict the scores of other students because different students have different level of their intelligence. Hence, it is not possible to predict or analyse the scores of other students with the help of this data.
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