Question 1

What does a scatter plot primarily show?

Accepted Answer

The relationship between two variables

Answer

The frequency of data points

Answer

The average of the data points

Answer

The total of all data points

Question 2

When analyzing a scatter plot, what does a positive slope indicate?

Accepted Answer

As one variable increases, the other variable also increases

Answer

The variables have no relationship

Answer

As one variable increases, the other variable decreases

Answer

The variables are completely random

Question 3

What type of correlation is indicated by a scatter plot where points are closely clustered around a downward sloping line?

Accepted Answer

Negative correlation

Answer

Positive correlation

Answer

Perfect correlation

Answer

No correlation

Question 4

What does it mean if a scatter plot shows points scattered widely without any discernible pattern?

Accepted Answer

There is no correlation between the variables

Answer

There is a strong positive correlation

Answer

The variables are perfectly correlated

Answer

There is a strong negative correlation

Question 5

What is the primary purpose of adding a trend line to a scatter plot?

Accepted Answer

To show the general direction of the data

Answer

To display each individual data point

Answer

To calculate the average of the data

Answer

To determine the maximum value

Question 6

Which of the following scenarios describes a positive association?

Accepted Answer

As the temperature increases, the amount of ice cream sold also increases.

Answer

As the age of a car increases, its value decreases.

Answer

As the number of hours spent studying decreases, grades drop.

Answer

As the amount of homework increases, test scores decrease.

Question 7

Which of the following represents a negative association?

Accepted Answer

As the time spent on video games increases, the time available for homework decreases.

Answer

As the number of plants increases, the amount of oxygen produced increases.

Answer

As the number of books read increases, vocabulary improves.

Answer

As the temperature rises, ice cream sales increase.

Question 8

In which situation would you expect to see a positive association?

Accepted Answer

As study hours increase, students' grades tend to improve.

Answer

As exercise frequency decreases, health improves.

Answer

As the number of crowded places increases, the spread of illness decreases.

Answer

As the amount of sleep decreases, energy levels increase.

Question 9

Which example shows a negative association?

Accepted Answer

As the number of hours spent playing outside increases, the amount of time spent on video games decreases.

Answer

As the temperature drops, hot chocolate sales rise.

Answer

As the amount of rainfall increases, the number of flowers blooming increases.

Answer

As the speed of a car increases, the distance covered in an hour also increases.

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