Unit 8 Missed Questions

Front

What is a circle graph?

Back

A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the total.

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data. Each picture represents a certain number of items.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set. It can skew the results of statistical calculations.

Front

How does an outlier affect the median of a data set?

Back

The median is the middle value of a data set when arranged in order. An outlier does not affect the median because it does not change the middle value.

Front

What is the mode of a data set?

Back

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

Front

What is the mean of a data set?

Back

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

Front

What is the median of a data set?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of values, the median is the average of the two middle numbers.

Front

How do you determine the best graph to represent data?

Back

The best graph to represent data depends on the type of data and the information you want to convey. For categorical data, a bar graph or pie chart is often best, while for continuous data, a line graph may be more appropriate.

Front

What happens to the mean if the lowest number in a data set is removed?

Back

Removing the lowest number from a data set can either increase or decrease the mean, depending on the values of the remaining numbers.

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.