DO NOW FINAL EXAM REVIEW

Front

What type of graph is used to display the distribution of a dataset and shows the median, quartiles, and potential outliers?

Back

Box-and-whisker plot

Front

How do you calculate the standard deviation of a dataset?

Back

1. Find the mean of the dataset. 2. Subtract the mean from each data point and square the result. 3. Find the average of those squared differences. 4. Take the square root of that average.

Front

What expression represents the total number of ways to answer 30 multiple choice questions with 4 choices each?

Back

4^30

Front

How many different ways can the letters in the word 'STATISTICS' be arranged?

Back

50,400

Front

What is a variable in statistics?

Back

A characteristic of interest about each individual element of a population or sample.

Front

What is a bar graph used for?

Back

To represent categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

Front

What is a stem-and-leaf plot?

Back

A method of displaying quantitative data in a graphical format, similar to a histogram, that retains the original data values.

Front

What is a histogram?

Back

A graphical representation of the distribution of numerical data, where the data is divided into bins or intervals.

Front

What is the formula for calculating permutations of n items taken r at a time?

Back

nPr = n! / (n - r)!.

Front

What is the difference between a population and a sample in statistics?

Back

A population includes all members of a specified group, while a sample is a subset of the population.