Q1: What is the relationship between the number of hours spènt per week studying and GPA? And then find the equation of regression line. Students si S2 S3 S4 S5 S6 S7 S8 Study Hours 42 | 23 31 | 35 | 16 26 | 39 | 19 GEA 3.3 j 2.9 | 3.2 j 3.2 1.9j 2.4 3.7| 2.5

Q: X 1.5 3.0 1.25 0.5 4.0 3.5 2.5 1.0 3.0 2.5 Y 80 83 83 70 91 85 75 70 90 86

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Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: Given The results of the regression were:y=ax+b a=5.89 b=34.42 r2=0.837225 r=0.915 So putting values…

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A: Given: x: hours of TV watches y: number of sit-ups y=ax+ba=-1.357b=20.532

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Q: The arm span and foot length were both measured (in centimeters) for each of 20 students in a…

A: Solution: From the given information, the regression out is displayed.

Q: xy y? 2 23 23 3 4 4. 8 16 9 15 SUM The correlation coefficient is (round to three decimal places): r…

A:

Q: Use the given data to find the best predicted value of the response variable. Six pairs of data…

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Q: Four pairs of data yield r = 0.942 and the regression equation y = 3x. Also, y = 12.75. What is th…

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Q: r= 8/15. Find (i) the regression coefficient of X on Y (ii) the regression coefficient of Y on X…

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Q: he number of hours they spent studying during the year. She collects information for 15 ninth grade…

A: The given regression equation is, y^=1.48x+75.64 The predicted value for a student who spends 13…

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A: from the given Information   Y = 48.01+B 1x.   Sxy=-59.06   SS t= 159.7   SSE= 22.12   n=19   SSR…

Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: The regression equation is y=5.218x+34.15. The predicted final exam score of a student who studies…

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Q: 29. An instructor measured quiz scores and the number of hours studying among a sample 20 college…

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Q: value of the response variable. Score for a student who spent 2 hours preparing for the test? and…

A:

Q: A regression was run to determine if there is a relationship between hours of study per week (x) and…

A:

Q: b) Suppose you are estimating parameters of the following regression model: Ýt = 9941 + 0.25 X21+…

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Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

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Q: DO THESE! 1. The grades of a class of 9 students on a midterm report (x) and on the final…

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Q: A) 0.3846 B) 0.3223 *Consider the following table, and answer the following Two questions Q24. Find…

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Q: The arm span and foot length were both measured (in centimeters) for each of 20 students in a…

A: Here is given that, r-Sq is 63 %. r-Sq is square of the correlation coefficient.

Q: . A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: Regression Equation  y=ax+b where, y:Score                x: hours per week                   given…

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Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: Given that, a=6.907 b=27.56 r2=0.483025 r=0.695  And also given that y=ax+b Here we have to find…

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A: we have to find best predicted value

Q: Bxy = 0.4, n = 50, the slope of the regression line is O a. 0.42 ОБ. 0.67 O. 0.24 O d. None O e Ое.…

A: Following required information can be extracted as: Sx=100 Sy = 60  Rxy = 0.4

Q: A regression was run to determine if there is a relationship between hours of study per week (x) and…

A: Given that x=hours of study per week y=final exam score a=6.59 b=21.22

Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

A: Given regression equation is, y=ax+b Here, a=6.22 and b=21.6 Therefore, y=6.22x+21.6

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Q: A regression was run to determine if there is a relationship between hours of study per week (x) and…

A: From the regression results, y=ax+b Here, a=5.421 and b=34.78 Therefore, the regression equation is,…

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Suppose Ms. Carr is interested in the relationship between her students' 9th grade math final exam…

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Q: A regression was run to determine if there is a relationship between hours o study per week (x) and…

A: Given regression equation is, y=ax+b =6.421x+28.23

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Q: A regression was run to determine if there is a relationship between hours of study per week (xx)…

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A: From the regression line, it can be observed that the sign of slope of the coefficient of S is 0.4…