Question

question 26 (3 points) if you want to show how a students grades have changed over the course of a year, which representation would be most effective? line graph pie chart histogram bar graph

Explanation:

Line graphs are ideal for showing trends over time. They connect data points to clearly illustrate changes. Pie - charts are for showing proportions of a whole, histograms for frequency distributions of continuous data, and bar - graphs for comparing discrete values. Here, we want to show grade changes over a year (a time - based trend).

Answer:

Line graph