Prob and Stat - FINAL EXAM

Front

When a distribution is divided into four equal parts, each score point describes the distribution as _______

Back

quartile

Front

How many possible ways are there to place 18 runners in first, second, and third?

Back

4,896

Front

The different possible arrangements of objects in a circle is called _______

Back

Circular Permutation

Front

How can you graphically represent survey data for better interpretation?

Back

Use bar graphs, pie charts, histograms, or scatter plots.

Front

What is the probability of 7 babies being born in a maternity wing with a mean of 6 babies born a day?

Back

.1377

Front

What is a percentile?

Back

A percentile is a measure used in statistics indicating the value below which a given percentage of observations fall.

Front

Define quantiles.

Back

Quantiles are values that divide a dataset into equal-sized intervals, with each interval containing the same proportion of data points.

Front

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

Back

P(n, r) = n! / (n - r)! where n is the total number of objects and r is the number of objects to arrange.

Front

What is the difference between permutations and combinations?

Back

Permutations consider the order of arrangement, while combinations do not.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.