STATISTICAL VOCAB

Question 1

LINE PLOT

Answer 1

A graph that uses Xs above a number line to show data; line plots are useful for showing how data is grouped.

Question 2

STATISTICAL

Answer 2

A question that can have a variety of answers and can be used to make a predication about a larger group.

Question 3

DISTRIBUTION

Answer 3

Shows how spread out or how clustered data values are.

Question 4

MEAN

Answer 4

The sum of all the values divided by the number of values. 7,9,10,13,15,15,15 The Mean is 12

Question 5

MEDIAN

Answer 5

The middle number in a data set when all the values are listed from least to greatest.

Question 6

MODE

Answer 6

The number that appears most often in a data set.

Question 7

BOX PLOT

Answer 7

A five-number summary that includes the minimum, the lower quartile, the median, the upper quartile, and the maximum; shown graphically next to a number line.

Question 8

LOWER QUARTILE

Answer 8

The middle number of all values less than the median.

Question 9

UPPER QUARTILE

Answer 9

The middle number of all values greater than the median.

Question 10

RANGE

Answer 10

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

Question 11

INTERQUARTILE RANGE (IQR)

Answer 11

The difference between the upper quartile and lower quartile.

Question 12

OUTLIER

Answer 12

A data point far away from the other data points; it doesn’t quit fit with the rest of that data points.