A study is being done on the effects of different styles of music to reduce bloo

Question

A study is being done on the effects of different styles of music to reduce blood pressure through natural responses. A simple, random sample of 114 adults with moderately high blood pressure is selected. Each adult is brought in for a session of music in which they listen to one song. In each session the following things are recorded: A) The birth year of the adult subject B) Systolic Blood Pressure at the beginning C) The genre of music (choices are pop, classical, jazz, hip-hop) D) The length of the song played in seconds E) If the tempo of the song is less than 30 beats per minute 30 up to less than 50 beats per minute 50 up to less than 70 beats per minute 70 up to less than 90 beats per minute 90 up to less than 120 beats per minute 120 or more beats per minute F) Systolic Blood Pressure after the music plays For each of the data elements A through F recorded, determine if that data is at the nominal, the ordinal, the interval, or the ratio level of data.

Explanation / Answer

Ans:

A) The birth year of the adult subject

interval

B) Systolic Blood Pressure at the beginning

Ratio

C) The genre of music (choices are pop, classical, jazz, hip-hop)

Nominal

D) The length of the song played in seconds

Ratio

E) If the tempo of the song is less than 30 beats per minute 30 up to less than 50 beats per minute 50 up to less than 70 beats per minute 70 up to less than 90 beats per minute 90 up to less than 120 beats per minute 120 or more beats per minute(Categories)

Ordinal

F) Systolic Blood Pressure after the music plays

Ratio

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