Real World Data and Statistics

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 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

How do you find the range?

• order least to greatest, then slash from each side until you reach the middle

• add the numbers in your data set, then divide by the amount you added

• look for the number that repeats the most

• highest number minus the lowest number

Another word for average is

• sample 

• mean

• data

• numerical data

A bar graph used to display data grouped into intervals.

• bar graph

• line graph

• stem and leaf plot

• histogram

What is the importance of statistics? (mark all that apply)

• helps you use proper methods to collect data

• helps you make use of the correct analysis

• helps you effectively present the results

• helps you make predictions

• helps you make decisions based on data

What type of graphs are these?

• dot plot

• line graph

• histogram

• frequency distribution

• Box & Whisker plot

This represents a two-way (a)   table.