Probability and Statistics review

Front

What is the probability of picking two purple pencils from a basket containing 5 purple and 9 brown pencils without replacement?

Back

10/91

Front

TRUE OR FALSE: The 'upper quartile' is Q3 and the 'lower quartile' is Q1.

Back

True

Front

Which city has a lower Interquartile Range (IQR)?

Back

City B

Front

What is the value of the lower quartile (Q1) in a given dataset?

Back

60

Front

What is the probability that a female is chosen given they like a Toyota?

Back

.6774

Front

Define probability in the context of statistics.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What is the formula for calculating the mean of a dataset?

Back

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

Front

What does IQR stand for and how is it calculated?

Back

IQR stands for Interquartile Range, calculated as Q3 - Q1.

Front

What is a quartile in statistics?

Back

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

Front

What is the difference between Q1 and Q3?

Back

Q1 is the first quartile (25th percentile), while Q3 is the third quartile (75th percentile).