A random sample for five exam scores produced the following (hours of study, grade) data values:Hours Studied (x)       Test Grade (y)3.5                                         882.4                                         764                                            925                                            851.1                                         60a. Compute the covariance.b. Compute the correlation coefficient

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Q: Match the scatterplot with the corresponding correlation coefficient: -0.92 0.96 0.72 -0.02

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Q: A study of bone density on 5 random women at a hospital produced the following results. Age 33 45…

A: XYX.YX2Y23336011880108912960045350157502025122500533451828528091190256133020130372110890065310201504…

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A: Hii ! Thanks for posting the question . Since your question has more than 3 subparts , we have…

Q: The table below includes data from taxi rides. The distances are in miles, the times are in minutes,…

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A: a)

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A: X Y X.Y X2 Y2 16 23 368 256 529 12 22 264 144 484 18 24 432 324 576 4 17 68 16 289 3…

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A: Fro t table we check the p-value at (n-1)= (5-1)= 4 d.f.

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A: It is given asr = 0.996n = 8

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A: The correlation coefficient is r = 0.16.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.