A college professor is interested in finding out if there is a relationship between the post-test scores of students in Algebra and Calculus when a technology-based method was used in solving. Use 5% level of significance. Data are given below in percentage. Student Algebra Calculus XY x2 y2 1 83 78 6474 6889 6084 2 80 83 6640 6400 6889 3 97 95 9215 9409 9025 4 95 97 9215 9025 9409 78 87 6786 6084 7569 89 87 7743 7921 7569 77 76 5852 5929 5776 5.
A college professor is interested in finding out if there is a relationship between the post-test scores of students in Algebra and Calculus when a technology-based method was used in solving. Use 5% level of significance. Data are given below in percentage. Student Algebra Calculus XY x2 y2 1 83 78 6474 6889 6084 2 80 83 6640 6400 6889 3 97 95 9215 9409 9025 4 95 97 9215 9025 9409 78 87 6786 6084 7569 89 87 7743 7921 7569 77 76 5852 5929 5776 5.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
Related questions
Question
What does the value of r indicate?
a) moderately
b) perfect
c) moderately positive correlation
d) high negative correlation
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