1. We are interested in determining if attendance affects a student's overall course grade. The following data from 10 students is provided: Attendance % Overall Grade % 50 38.86 75 53.41 84 62.3 75 68.18 82 75.55 84 83.19 67 84.37 88 87.03 73 91.26 100 98.76

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4CGP
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Out to 4 decimal places for each answer if needed please.

1. We are interested in determining if attendance affects a student's overall course grade. The following data from 10
students is provided:
Attendance %
Overall Grade %
50
38.86
75
53.41
84
62.3
75
68.18
82
75.55
84
83.19
67
84.37
88
87.03
73
91.26
100
98.76
Transcribed Image Text:1. We are interested in determining if attendance affects a student's overall course grade. The following data from 10 students is provided: Attendance % Overall Grade % 50 38.86 75 53.41 84 62.3 75 68.18 82 75.55 84 83.19 67 84.37 88 87.03 73 91.26 100 98.76
j. Find the test statistic for teşting if b, is significant or not.
k. What conclusion would you make based on the test statistic found above (use .05 confidence level)?
I. Find the 95% confidence interval for B,.
Transcribed Image Text:j. Find the test statistic for teşting if b, is significant or not. k. What conclusion would you make based on the test statistic found above (use .05 confidence level)? I. Find the 95% confidence interval for B,.
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