Question: Provide an appropriate response. The data below are ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults. Age, x

Provide an appropriate response.

The data below are ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults.

Age, x | 38 | 41 | 45 | 48 | 51 | 53 | 57 | 61 | 65 |

Pressure, y | 116 | 120 | 123 | 131 | 142 | 145 | 148 | 150 | 152 |

a) Find the linear correlation coefficient. Round the answer to 3 decimal places.

b) Determine whether a linear relation exists. Explain why.

c) Find the equation of the regression line for the given data. Round the regression line values to 2 decimal places.

d) What would be the predicted pressure if the age was 55? Round the predicted pressure to the nearest whole number.

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