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Published byInge Lesmono Modified over 6 years ago
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Using the two data sets below: 1) Draw a scatterplot for each.
2) Test whether the correlations are significant. Use 0.01 for Ξ± a) If the correlation(s) are/is significant, use the equation of best fit to find π¦ for each given x. Hours Studying Test Score 0.5 45 0.75 49 1.0 48 2.0 66 2.25 74 2.5 79 3.0 94 Height (Inches) G.P.A. 61 4.05 64 3.99 67 2.5 69 0.50 70 4.00 72 3.98 76 2.75 π₯=1.25 πππ 2.66 π₯=65 πππ 71
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Using the two data sets below: 1) Draw a scatterplot for each.
Hours Studying Test Score 0.5 45 0.75 49 1.0 48 2.0 66 2.25 74 2.5 79 3.0 94
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Using the two data sets below:
2) Test whether the correlations are significant. Use 0.01 for Ξ± a) If the correlation(s) are/is significant, use the equation of best fit to find π¦ for each given x. π» 0 :π=0 π» π :πβ 0 STATβTESTβF π‘=11.994 π=7.106 πΈ β 5 π=.983 π¦=18.952π₯ Since πβ€πΌ, reject the null. The correlation is significant.
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Using the two data sets below:
2) Test whether the correlations are significant. Use 0.01 for Ξ± a) If the correlation(s) are/is significant, use the equation of best fit to find π¦ for each given x. π¦=18.952π₯ β56 β83 Hours Studying Test Score 0.5 45 0.75 49 1.0 48 2.0 66 2.25 74 2.5 79 3.0 94 π₯=1.25 πππ 2.66
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Using the two data sets below: 1) Draw a scatterplot for each.
Height (Inches) G.P.A. 61 4.05 64 3.99 67 2.5 69 0.50 70 4.00 72 3.98 76 2.75
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Using the two data sets below: 1) Draw a scatterplot for each.
2) Test whether the correlations are significant. Use 0.01 for Ξ± a) If the correlation(s) are/is significant, use the equation of best fit to find π¦ for each given x. Height (Inches) G.P.A. 61 4.05 64 3.99 67 2.5 69 0.50 70 4.00 72 3.98 76 2.75 π» 0 :π=0 π» π :πβ 0 STATβTESTβF π‘=β.565 π=.597 π=β.245 π¦=β.065π₯+7.553 Since π>πΌ, Fail to reject the null. The correlation is NOT significant. π₯=65 πππ 71
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Using the two data sets below: 1) Draw a scatterplot for each.
2) Test whether the correlations are significant. Use 0.01 for Ξ± a) If the correlation(s) are/is significant, use the equation of best fit to find π¦ for each given x. Height (Inches) G.P.A. 61 4.05 64 3.99 67 2.5 69 0.50 70 4.00 72 3.98 76 2.75 We can not use the equation to make any predictions, because the correlation is NOT significant. π₯=65 πππ 71
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