QTRM

QTRM

University

66 Qs

quiz-placeholder

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QTRM

QTRM

Assessment

Quiz

Other

University

Hard

Created by

Prabahar Ezhil

Used 2+ times

FREE Resource

66 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

What does a correlation coefficient measure?

Causation

Strength and direction of a linear relationship

The standard deviation

The mean

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which correlation coefficient measures the relationship between two continuous variables when the data is not normally distributed?

Pearson correlation coefficient

Spearman rank correlation coefficient

Point-biserial correlation coefficient

Biserial correlation coefficient

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the Pearson correlation coefficient is -0.85, what does this indicate about the relationship between two variables?

Strong positive correlation

Strong negative correlation

Weak positive correlation

No correlation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the correlation coefficient is 0, it means:

A perfect positive correlation

A perfect negative correlation

No linear relationship

Non-linear relationship

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range of values for the Pearson correlation coefficient?

-1 to 1

0 to 1

-∞ to ∞

0 to 100

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a scatter plot, if points are scattered randomly with no discernible pattern, what is the likely value of the correlation coefficient?

1

-1

0

0.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which correlation coefficient is more appropriate when dealing with ordinal data?

Pearson correlation coefficient

Biserial correlation coefficient

Point-biserial correlation coefficient

Spearman rank correlation coefficient

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