Systolic / Diastolic 1:

133 / 91
112 / 75
107 / 71
110 / 74
108 / 69
105 / 66
157 / 103
154 / 94
134 / 87
115 / 83

y=8.2673+0.5914x

Predict the diastolic pressure for a patient whose systolic pressure is 133 millimeters. Round the answer to one decimal place.

1 answer

To predict the diastolic pressure using the equation \( y = 8.2673 + 0.5914x \), where \( x \) is the systolic pressure, we can substitute \( x = 133 \) into the equation.

\[ y = 8.2673 + 0.5914(133) \]

First, we calculate \( 0.5914 \times 133 \):

\[ 0.5914 \times 133 = 78.6072 \]

Now, we can substitute this back into the equation:

\[ y = 8.2673 + 78.6072 = 86.8745 \]

Now, rounding to one decimal place, we find:

\[ y \approx 86.9 \]

Thus, the predicted diastolic pressure for a patient whose systolic pressure is 133 millimeters is 86.9 mmHg.

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