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Author Question: To study the effect of soothing music on a persons blood pressure, two random samples of 220 adults ... (Read 96 times)

C0DxHalo

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on: Feb 26, 2023
To study the effect of soothing music on a person’s blood pressure, two random samples of 220 adults were taken. One sample (sample 1) listened to soothing music for 5 min prior to having their blood pressure taken, while the other sample (sample 2) sat in silence. From previous studies, it was found that both populations have a standard deviation of 39.18. The average systolic blood pressure from the music sample was 114.5. The average systolic blood pressure from the silent sample was 122.8. Construct a 98% confidence interval on the difference in population mean blood pressures (music – silent).

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(–14.4448, –2.1552)


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(–17.9223, 1.3222)


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(–16.9903, 0.3903


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(–15.6219, -0.9781)

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Marked as best answer by C0DxHalo on Feb 26, 2023

Khareemom14

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Reply #1 on: Feb 26, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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C0DxHalo

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Reply 2 on: Feb 26, 2023
Wow, this really help

amynguyen1221

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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