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Definitions
Measures of Center
Types of Data
Rounding
Word Problems
100

In this type of distribution, the mean, median, and mode are all equal.

What is a normal distribution?

100

This is found by adding all the values together and dividing by the number of values.

What is the mean?

100

This type of data represents categories without any order.

What is ordinal data?

100

Round 6.472 to the nearest tenth.

What is 6.5?

100
Lining every person in this room and asking every 2nd person what their favorite food is.

What is systematic sampling?

200

In a right-skewed distribution, the tail extends in this direction.

What is to the right?

200

The middle value when data are ordered.

What is the median?

200

This type of data has no true zero.

What is ratio data?

200

Round 8.134 to the nearest hundredth.

What is 8.13?

200

Find the mean, median, and mode (in this order) of the following data set: 2, 6, 17, 2, 13, 2, 18, 20, 2, 14, 5, 9, 3.

What is 8.7, 6, and 2?

300
A z-score measures how many of these a value is away from the mean.

What are standard deviations?

300

The value that occurs the most frequently.

What is the mode?

300

This type of data can be most easily explained by temperature in Celsius.

What is interval data?

300
Round 0.0568 to the nearest thousandth.

What is 0.057?

300

An exam has a mean score of 75, with the standard deviation being 10. Find the z-score of a student who scored 95 on the exam. 

What is 1.5?
400

If a z-score is negative, the value lies in this direction from the mean.

What is below the mean?

400

Used when a dataset has a large outlier.

What is the median?
400

This type of data has a natural ranking but differences between values are insignificant.

What is ordinal data?

400

Round 4.4446 to the nearest hundredth.

What is 4.44?

400

68% of people fell within one standard deviation of the mean. Find how many people are in this 68% if 400 people were observed.

What is 272 people?

500

This measures how spread out data are around the mean.

What is standard deviation?

500

This measure of center would increase by 5 if all values in a dataset were to also increase by 5.

What is the mean?

500

Height, weight, and age.

What is ratio data?

500

Round 27.995 to the nearest tenth.

What is 28.0?

500

95% of data in a standard distribution falls within 2 standard deviations of the mean. In a dataset of 1,000 people, find the amount of people that fall outside of two standard deviations.

What is 50 people?