Mean Median Mode Range

Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Only the range was affected.

• The median increased, and the range increased.

• The mean increased, and the range increased.

• The mean decreased and the range increased.

The box-and-whisker plots below show the scores earned by 6th and 7th graders on a year-end reading test. Which statement is best supported by the box-and-whisker plots?

• The range of the 7^th grade scores is greater than the range of the 6^th grade scores.

• The median of the 6^th grade scores is greater than the median of the 7^th grade scores.

• The mean of the 7^th grade scores is less than the mean of the 6^th grade scores.

• The number of 6^th graders who took the test is greater than the number of 7^th graders who took the test.

Given the following distributions, which has the highest median?

• Red

• Purple

• Black

A measure of central tendency where you add the data and divide by the number of data

• range

• median

• mode

• mean

Middle of the data set when in order

• range

• median

• mode

• mean

occurs most often

• mean

• mean absolute deviation

• mode

• median

Subtraction of the maximum and minimum in a data set

• range

• mean

• median

• mode

A type of graph that is based on the median, maximum, minimum, lower quartile and upper quartile

• stem and leaf plot

• line graph

• dot plot

• box plot

A type of graph that is built by placing a marker above each member of the data set represented on a number line. The mode is most easily identified from this graph!

• line graph

• stem and leaf

• dot plot

• box plot