MAT S111 (FINAL Reviewer)

Front

What does a correlation coefficient of -0.85 suggest?

Back

A strong negative correlation.

Front

What type of correlation exists between the temperature outside and the number of layers of clothes needed to stay warm?

Back

Negative Correlation.

Front

What type of correlation is described by a runner's time and the distance to the finish line?

Back

Negative Correlation.

Front

Is it true that the decision to reject or not to reject the null hypothesis is based on sample data?

Back

True.

Front

What type of correlation describes the relationship between the number of people at the pool and the temperature outside?

Back

Positive Correlation.

Front

Define correlation coefficient.

Back

A statistical measure that describes the strength and direction of a relationship between two variables.

Front

What is a positive correlation?

Back

A relationship where an increase in one variable leads to an increase in another variable.

Front

What is a negative correlation?

Back

A relationship where an increase in one variable leads to a decrease in another variable.

Front

What does it mean if there is no correlation between two variables?

Back

Changes in one variable do not affect the other variable.

Front

What is the null hypothesis in hypothesis testing?

Back

A statement that there is no effect or no difference, which researchers aim to test against.