Data & Statistics

The entire pool; the total set of people/objects that can be studied

• population

• sample

• datum

• probability

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

• 87

• 85, 95, and 100

• 30

• 85 and 90

A sample in which each individual or object in the entire population has an equal chance of being selected.

• biased sample

• population

• random sample

• sample

A bar graph used to display data grouped into intervals.

• bar graph

• line graph

• stem and leaf plot

• histogram

A data value that is far removed from the rest of the data values in the set.

• outlier

• inlier

• immalier

• sublier

The difference between the greatest and least values in the data set.

• range

• interquartile range

• standard deviation

• mean absolute deviation

The sum of all the values in a data set divided by the number of data values. Also called the average.

• mean

• median

• mode

• range

What does "mean" mean?

• average

• middle

• repeats the most

• variation

The bar graph displays grades for a 7th grade class. The percent of students that made an A is 33%.

• True

• False

Based on a recent survey of 500 students, the circle graph below shows how students communicate with friends. 150 more students chose social media apps than phone calls to communicate with friends?

• True

• False