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Author Question: A cardiologist is studying the effects of soothing music on a persons heart rate. He records his ... (Read 173 times)

shanell

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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?


13%


45.9%


41%


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:

qualitative.


continuous.


discrete.


categorical.



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Marked as best answer by shanell on Feb 26, 2023

FireandIce

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shanell

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Reply 2 on: Feb 26, 2023
Excellent


mcabuhat

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Reply 3 on: Yesterday
Wow, this really help

 

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