U8 Sub 1 Review

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 type of graph uses bars to show quantities?

Back

A bar graph.

Front

What does a positive association between two variables mean?

Back

It means that as one variable increases, the other variable also increases.

Front

How many students studied French if the answer is 42?

Back

42 students studied French.

Front

Who is known for creating double bar graphs?

Back

William Playfair.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from other data points in the set.

Front

What type of graph is best for showing trends over time?

Back

A line plot.

Front

What does a tally chart represent?

Back

A tally chart is a way of counting and displaying data using marks or tallies.

Front

What is the purpose of a scatter plot?

Back

A scatter plot is used to show the relationship between two variables.

Front

What does it mean if a scatter plot has no outliers?

Back

It means all data points are within a normal range and do not deviate significantly from the trend.