OST review after day 1

Front

Angle 1 and Angle 2 are _____________.

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

Angle 1 and Angle 2 are _____________.

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

Angle 1 and Angle 2 are _____________.

Back

Vertical angles are the angles opposite each other when two lines cross. They are always equal.

Front

Find the mean of the data set below: 3, 4, 1, 2, 5, 6, 6, 10, 13, 18, 21. Round to the nearest hundredth.

Back

The mean is 8.09.

Front

Find the mode of the data set below: 3, 4, 1, 2, 5, 6, 6, 10, 13, 18, 21.

Back

The mode is 6.

Front

What is the definition of a mean in statistics?

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

What is the definition of mode in statistics?

Back

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

Front

What is the formula for finding the mean?

Back

Mean = (Sum of all values) / (Number of values)