A dot plot or dot chart consists of data points plotted on a graph. The Federal Reserve uses dot plots to show its predicted interest rate outlook.

Plotting linear graphs Going from rule to graph To sketch a linear graph from a rule, determine two points that satisfy the rule and connect them with a straight line. Two commonly used methods are: ...

The aggregation functions you can use in a QUERY formula are avg (), count (), max (), min (), and sum (). The clause types ...

Checked for outliers in numerical columns. Data Visualization Created multiple charts to understand data distribution and relationships: Histogram Boxplot Bar Chart Scatter Plot Line Graph Pie Chart ...

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.