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18.02.2020 •
Mathematics
Investors are becoming more and amore concerned about the securities fraud, especially involving initial public offering. During the six-year period, the number of the number of federal securities-fraud class action suits has continued to increase: Year Suits 1996 110 1997 178 1998 236 1999 205 2000 211 2001 282 What is the slope of the best fitting line? a.26,514b.26.514 c.-52785 d.52785
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Ответ:
Correct option is (a). 26.514
Step-by-step explanation:
The formula to compute the slope of regression line from raw data is:
Compute the values of ∑ XY, ∑ X , ∑ Y and ∑ X² as shown in the table.
The values are:
Compute the slope of the best fitting line as follows:
Thus, the slope of the best fitting line is 26.514.
The correct option is (a).
Ответ:
1/5 of the students are 4th graders