I only have a TI 84 to use. An experiment was conducted to study the effect of a

Question

I only have a TI 84 to use. An experiment was conducted to study the effect of a new drug in lowering the heart rate in adults. The data collected are shown in the following table. (Give answers to two decimal places.)

(a) Find the 90% confidence interval for the mean heart rate reduction for a dose of 2.2 mg.

(b) Find the 90% prediction interval for the heart rate reduction expected for an individual receiving a dose of 2.2 mg.

x, Drug Dose in mg 2 1.25 2.75 0.5 1.25 0.5 2.6 1.25 1.25 1.7 y, Heart Rate Reduction 11 14 10 11 10 18 8 13 14 13

Explanation / Answer

Excel used

Regression Analysis

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Regression Analysis

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