Answer to Question #343463 in Statistics and Probability for Jean

Question

The following data were collected to determine the relationship between pressure and the corresponding scale reading for the purpose of calibration

Pressure, x (lb/sq in.)

Scale Reading, y

10 13

10 18

10 16

10. 15

10. 20

50. 86

50. 90

50. 88

50. 88

50. 92

1. Find the Pearson r Correlation Coefficient: r = Blank 1
2. Find the equation of the regression line: y = Blank 2x + Blank 3
3. The purpose of calibration in this application is to estimate pressure from an observed scale reading. Estimate the pressure for a scale reading of 54: Pressure = Blank 4lb/sq. in

Test the significance of the correlation coefficient calculated in the given question above at α = 0.05. Use the steps in conducting hypothesis tests

Answer 1

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