Statistics

Question 1

Normal Distribution

Answer 1

graph with a bell-shaped slope that is symmetrical and doesn’t lean to one side.

Question 2

Range (stats)

Answer 2

The width of the data set.

Question 3

Mean / Average

Answer 3

The mean (or average) is calculated by summing all the numbers in a data collection and dividing by their number. μ represents the mean.

Question 4

Standard Deviation

Answer 4

A number that shows how far each data point is from the mean on average. A bigger standard deviation means that the data are more spread out, or that they vary more. Standard deviation is written with the Greek letter sigma ().

Question 5

Statistical Question

Answer 5

A question that can be answered by collecting data where there is variability in the data.

Question 6

Median

Answer 6

The middle value of a sorted dataset.

Question 7

Statistical Experiment

Answer 7

Trials of an event that has more than one probability-based outcome.

Question 8

Mode

Answer 8

The most frequent value in a data set