Question

2c: interpret data using histograms and time series graphs
time series graphs represents data that occurs over a period of time
how to construct a time series graph

1. draw and label the x and y axis
2. label the x - axis with the time classes and the y - axis for the frequency of each time class
3. plot each point according to the table of data
4. draw line segments connecting adjacent points.

do not try to fit a smooth curve through the data points

Explanation:

Time - series graphs show data over time. To construct one, first label the x - axis with time classes (like months here) and the y - axis with the relevant frequency (e.g., number of customers). Then plot points from the data table and connect adjacent points with line segments, not a smooth curve. The example graph shows customer numbers over months the store was open.

Answer:

The steps to construct a time - series graph are: 1. Draw and label x and y axes. 2. Label x - axis with time classes and y - axis with frequency. 3. Plot points from data table. 4. Draw line segments connecting adjacent points. The example graph represents customer numbers over months the store was open.