What is the value of r? Select the correct response: -0.7129 0.4507 0.6560 -0.4589


What is the value of r?<br>Select the correct response:<br>-0.7129<br>0.4507<br>0.6560<br>-0.4589<br>

Extracted text: What is the value of r? Select the correct response: -0.7129 0.4507 0.6560 -0.4589
A college professor is interested in finding out if there is a relationship between the post-test scores of students in<br>Algebra and Calculus when a technology-based method was used in solving. Use 5% level of significance.<br>Data are given below in percentage.<br>Student<br>Algebra<br>Calculus<br>XY<br>x2<br>y2<br>1<br>83<br>78<br>6474<br>6889<br>6084<br>80<br>83<br>6640<br>6400<br>6889<br>3<br>97<br>95<br>9215<br>9409<br>9025<br>4<br>95<br>97<br>9215<br>9025<br>9409<br>78<br>87<br>6786<br>6084<br>7569<br>89<br>87<br>7743<br>7921<br>7569<br>7<br>77<br>76<br>5852<br>5929<br>5776<br>81<br>93<br>7533<br>6561<br>8649<br>Total<br>680<br>696<br>59458<br>58218<br>60970<br>5.<br>00<br>

Extracted text: 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 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 7 77 76 5852 5929 5776 81 93 7533 6561 8649 Total 680 696 59458 58218 60970 5. 00

Jun 07, 2022
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