NC Math 1 EOC Review

Front

What does a strong negative correlation in a graph indicate?

Back

A strong negative correlation indicates that as one variable increases, the other variable tends to decrease significantly.

Front

What is the definition of range in statistics?

Back

Range is the difference between the highest and lowest values in a data set.

Front

Which measure of central tendency is most easily affected by outliers?

Back

The mean is most easily affected by outliers.

Front

What is the exponential decay equation for a car that depreciates at a rate of 8% per year?

Back

y = 15,000(0.92)^x, where y is the value of the car after x years.

Front

Simplify the expression 10x^-2.

Back

The simplified expression is 2x^2.

Front

What does a strong positive correlation in a graph indicate?

Back

A strong positive correlation indicates that as one variable increases, the other variable also increases significantly.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What is the mode in a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the formula for calculating the mean of a data set?

Back

Mean = (Sum of all values) / (Number of values).

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in the data set.