Complete the following instructions: i. Identify the independent and dependent variables. ii. Calculate and interpret the Pearson correlation coefficient r for the paired data. Idicate if the correlation is positive or negative, and whether it appears to be strong, moderate, weak, or practically non-existant. A researcher is trying to determine if the number of alcoholic drinks consumed at a social event affects the number of cigarettes smoked by smokers who desire to quit. She conducts a study whereby participants are asked to record the number of alcoholic drinks they consume over the course of seven social events, along with the number of cigarettes they smoke. One of the participants records the following results: Number of Alcoholic Drinks Number of Cigarettes 2 2 0 4 3 0 1 3 2 1 4 0 0 3 i. Independent Variable: Dependent Variable: ii. Pearson correlation coefficient (r): Round to 3 decimal places. Correlation: Correlation Strength:
Complete the following instructions: i. Identify the independent and dependent variables. ii. Calculate and interpret the Pearson correlation coefficient r for the paired data. Idicate if the correlation is positive or negative, and whether it appears to be strong, moderate, weak, or practically non-existant. A researcher is trying to determine if the number of alcoholic drinks consumed at a social event affects the number of cigarettes smoked by smokers who desire to quit. She conducts a study whereby participants are asked to record the number of alcoholic drinks they consume over the course of seven social events, along with the number of cigarettes they smoke. One of the participants records the following results: Number of Alcoholic Drinks Number of Cigarettes 2 2 0 4 3 0 1 3 2 1 4 0 0 3 i. Independent Variable: Dependent Variable: ii. Pearson correlation coefficient (r): Round to 3 decimal places. Correlation: Correlation Strength:
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 15PPS
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Question
Complete the following instructions:
i. Identify the independent and dependent variables.
ii. Calculate and interpret the Pearsoncorrelation coefficient r for the paired data. Idicate if the correlation is positive or negative, and whether it appears to be strong, moderate, weak, or practically non-existant.
i. Identify the independent and dependent variables.
ii. Calculate and interpret the Pearson
A researcher is trying to determine if the number of alcoholic drinks consumed at a social event affects the number of cigarettes smoked by smokers who desire to quit. She conducts a study whereby participants are asked to record the number of alcoholic drinks they consume over the course of seven social events, along with the number of cigarettes they smoke. One of the participants records the following results:
| Number of Alcoholic Drinks | Number of Cigarettes |
|---|---|
| 2 | 2 |
| 0 | 4 |
| 3 | 0 |
| 1 | 3 |
| 2 | 1 |
| 4 | 0 |
| 0 | 3 |
| i. | Independent Variable: |
|---|---|
|
|
|
| Dependent Variable: | |
|
|
| ii. | Pearson correlation coefficient (r): |
|---|---|
|
Round to 3 decimal places.
|
|
| Correlation: | |
|
|
|
| Correlation Strength: | |
|
|
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