GNMS Midterm Review

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

How do you calculate the median of a data set?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode in a data set?

Back

The mode is the number that appears most frequently in a data set.

Front

Define range in statistics.

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common divisor.

Front

What does a dot plot represent?

Back

A dot plot is a statistical chart that uses dots to represent the frequency of data points in a data set.

Front

How do you find the total number of students from a ratio?

Back

To find the total number of students from a ratio, add the parts of the ratio together and multiply by a common factor.

Front

What is the process for dividing fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction.

Front

What is a data set?

Back

A data set is a collection of related data points or values, often organized in a table or list.