AP Stat - 1st Semester Review

Front

What is the probability of getting a correct answer when guessing on a multiple-choice question with 5 options?

Back

The probability is \( \frac{1}{5} \) or 20%.

Front

What does SRS stand for in statistics?

Back

SRS stands for Simple Random Sample.

Front

What is a five-number summary in statistics?

Back

A five-number summary includes the minimum, first quartile (Q1), median, third quartile (Q3), and maximum of a data set.

Front

How do you determine the maximum allowable value for a boxplot?

Back

The maximum allowable value is calculated as Q3 + 1.5 * IQR, where IQR is the interquartile range (Q3 - Q1).

Front

What is the response variable in an experiment?

Back

The response variable is the outcome that is measured in an experiment, such as yield in bushels per acre.

Front

What is the purpose of random assignment in experiments?

Back

Random assignment helps to eliminate bias and ensures that each treatment group is comparable.

Front

How do you simulate a random sample using a table of random digits?

Back

You can assign digits to represent outcomes, such as 0 or 1 for correct answers and 2-9 for incorrect answers.

Front

What is the probability of getting at least one tail in four tosses of a coin?

Back

The probability is \( \frac{15}{16} \) or 93.75%.

Front

What is the definition of an experimental unit?

Back

An experimental unit is the smallest division of the experimental material such that any two units may receive different treatments.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.