Unit 7 Review Data Analysis/Probability

Front

What is the probability of rolling a 5 on a regular 6-sided die?

Back

1/6

Front

What is the probability of choosing either a black or white marble from a bag containing 3 black and 2 white marbles?

Back

3/5

Front

What is the probability of spinning an even number on a spinner with regions marked 10, 20, 30, 40, 50, 60, 70, 80?

Back

1

Front

What is the upper quartile (Q3) in a data set?

Back

The upper quartile (Q3) is the median of the upper half of the data set.

Front

How do you calculate the mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes)

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

What does it mean if an event is independent in probability?

Back

Two events are independent if the occurrence of one does not affect the probability of the other.

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value, and mode is the most frequently occurring value.

Front

How do you find the median of a data set?

Back

Arrange the numbers in order and find the middle value.