b. Write the equation of the line of best fit. c. Predict the final grade given eight absences. (Round off to the whole number)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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3. The data below are the number of absences and the final grades of eight randomly students from a statistics
class.
Number of
absences
01 2
6 12 15
83 80 78
Final Grade 97 97 95
90 88
a. Using 95% confidence level, can we conclude that the number of absences is useful in predicting
the statistics final grades?
b. Write the equation of the line of best fit.
c. Predict the final grade given eight absences. (Round off to the whole number)
Transcribed Image Text:3. The data below are the number of absences and the final grades of eight randomly students from a statistics class. Number of absences 01 2 6 12 15 83 80 78 Final Grade 97 97 95 90 88 a. Using 95% confidence level, can we conclude that the number of absences is useful in predicting the statistics final grades? b. Write the equation of the line of best fit. c. Predict the final grade given eight absences. (Round off to the whole number)
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