26linemanr
Answered

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3. Use the following table to answer questions (a – c).
x 1 2 3 4 7 8 10
y 1 3 6 2 9 6 7
b. Calculate the correlation coefficient.
c. Based on your calculation in part (b) describe the correlation between the
x and y. Explain your reasoning.

Sagot :

Answer:

See below

Step-by-step explanation:

B) The correlation coefficient is [tex]r=0.75[/tex], which can be determined by plugging the data into a TI-84 calculator.

C) A correlation coefficient of [tex]r=0.75[/tex] indicates that the correlation between the independent and dependent variable (x and y in this case) is moderately strong with a positive correlation. The closer [tex]r[/tex] is to 1, the stronger the positive correlation. The closer [tex]r[/tex] is to -1, the stronger the negative correlation. If [tex]r[/tex] is closer to 0, then there's no correlation.

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