Data Collection and Analysis

Front

What is the median of a data set?

Back

The median is the middle value when the data are arranged in numerical order.

Front

How do you calculate the mean of a data set?

Back

The mean is calculated by dividing the sum of all items in the set by the number of items.

Front

What is the mode in a data set?

Back

The mode is the value or values that occur most often in the data set.

Front

What is the range of a data set?

Back

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

Front

What does it mean for data to be skewed?

Back

Skewed data is when the distribution of values is not symmetrical, leading to a longer tail on one side.

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is the purpose of data collection?

Back

The purpose of data collection is to gather information to analyze and draw conclusions.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population in statistical analysis.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data represents numerical values.

Front

What is a histogram?

Back

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