Algebra 1 - EOC Review Unit 6

Front

What is the first step when creating a box and whisker plot?

Back

Order the data set.

Front

What is +2 standard deviations from a mean of 56 with a standard deviation of 4.3?

Back

64.6

Front

What do positive standard deviations on a normal distribution curve indicate?

Back

Above average.

Front

How do you determine which class has a higher median?

Back

Compare the median values of each class.

Front

What is the first quartile of the data set: 33, 25, 42, 25, 31, 37, 46, 29, 38?

Back

27.

Front

Define 'median' in a data set.

Back

The median is the middle value when the data set is ordered.

Front

What is the purpose of a box and whisker plot?

Back

To visually display the distribution of data based on five summary statistics.

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 does the term 'quartile' refer to in statistics?

Back

Quartiles divide a data set into four equal parts.

Front

What is the second quartile (Q2) also known as?

Back

The median.