Algebra EOC Review

Front

What is a line of best fit?

Back

A line that best represents the data on a scatter plot, showing the trend of the data points.

Front

How do you determine the day with the least amount of sales from a data set?

Back

By comparing the sales figures for each day and identifying the lowest value.

Front

Evaluate f(4) for the function f(x)=4x+5.

Back

f(4) = 4(4) + 5 = 21.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the range of the middle 50% of the data.

Front

What does a box and whisker plot represent?

Back

A box and whisker plot visually displays the distribution of a data set, showing the median, quartiles, and potential outliers.

Front

What is the median of a data set?

Back

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

Front

How do you calculate the mean of a data set?

Back

Add all the values together and divide by the number of values.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables using dots to represent data points.

Front

What is the purpose of using a box and whisker plot?

Back

To summarize and compare distributions of data sets, highlighting the median, quartiles, and range.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts.