11.0 Intro to Stats Flashcardizz

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you calculate the mean of the numbers 4, 9, 7, 10, 5?

Back

(4 + 9 + 7 + 10 + 5) / 5 = 35 / 5 = 7.

Front

What is the range of a set of numbers?

Back

The range is the difference between the largest and smallest numbers in a set.

Front

What is the range of the numbers 4, 9, 7, 10, 5?

Back

10 - 4 = 6.

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers.

Front

How do you find the median of the numbers 41, 13, 21, 83, 54, 37, 18, 66, 72?

Back

First, sort the numbers: 13, 18, 21, 37, 41, 54, 66, 72, 83. The median is 41.

Front

What is the mode?

Back

The mode is the number that appears most frequently in a set of numbers.

Front

What is the mode of the numbers 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

The mode is 10, as it appears most frequently.

Front

How do you calculate the mean of the numbers 16, 5, 7, 12?

Back

(16 + 5 + 7 + 12) / 4 = 40 / 4 = 10.

Front

What is a statistical question?

Back

A statistical question anticipates variability in the data and can be answered by collecting data.