Author Question: A cardiologist is studying the effects of soothing music on a persons heart rate. He records his ... (Read 30 times)

shanell · **on:** Feb 26, 2023

Question 1

A 2012 survey examined cell phone ownership by U.S. adults. The results of the survey are shown in the pie chart.

What percentage of the adults surveyed didnotown a smartphone?

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13%

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45.9%

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41%

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54%

Question 2

A cardiologist is studying the effects of soothing music on a person’s heart rate. He records his patients’ at-rest heart rate in whole beats per minute before and after they listen to soothing music. The values of the variable “heart rate” in this study arebestdescribed as:

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qualitative.

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continuous.

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discrete.

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categorical.

FireandIce · **Reply #1 on:** Feb 26, 2023

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