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AM025 TOPIC 8 (A17)

AM025 TOPIC 8 (A17)

Shirley Hee
마녀의 마법
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Ikut Turutan
Universiti
Matematik

AM025 TOPIC 8 (A17)

Shirley Hee

0

11 soalan

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# 1
What does the correlation coefficient measure?
The differences between two variables.
The strength and direction of a linear relationship between two variables.
The mean of a dataset.
The probability of an event occuring.
# 2
If the correlation coefficient between x and y is zero, what can be concluded?
There is no linear relationship between x and y.
x causes changes in y.
x and y are positively correlated.
x and y are negatively correlated.
# 3
What is the Pearson’s correlation coefficient when there is perfect negative relationship between two variables?
0
1
-1
∞\infty
# 4
What is the primary purpose of linear regression analysis?
To calculate the mean of a variable.
To determine the relationship between two variables.
To compare differences between two variables.
To analyse data distribution.
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