L. 29-30 statistical questions, dot plots and histograms flashcard

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data that varies.

Front

What is a dot plot?

Back

A dot plot is a simple visual representation of data where each data point is represented by a dot above a number line.

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 (bins).

Front

How do you determine the mode of a data set?

Back

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

Front

What does it mean if a data set is skewed left?

Back

A left-skewed data set has a longer tail on the left side, indicating that most data points are concentrated on the right.

Front

What does it mean if a data set is skewed right?

Back

A right-skewed data set has a longer tail on the right side, indicating that most data points are concentrated on the left.

Front

What is the median of a data set?

Back

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

Front

What is the range of a data set?

Back

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

Front

What is a non-statistical question?

Back

A non-statistical question is one that does not involve variability and can be answered with a single value.

Front

How can you tell if a question is statistical?

Back

A question is statistical if it requires data collection and analysis to answer, and if the answer can vary.