Question

As a university instructor, charts are very useful to show statistical analysis of test scores to students. Students are always interested in how they scored compared to the whole class or where their score landed in the overall scheme of things. Which type of statistics would be most useful for comparisons? Which type of chart would be best to show the comparison of grades? How do charts help protect privacy of individual grades?

Answer 1

Answer:

• Here we can say that the Bar graphs are habitually utilized with the clear cut information to analyze the spans of classifications.

Since the estimations of a clear cut variable are names for the classes, the appropriation of a straight out factor gives either the check or the percent of people falling into every classification.

• Pie charts(graphs) are best utilized with all out information to enable us to perceive what level of the entire every classification establishes.

Pie diagrams require all classifications to be incorporated into a chart.

Each chart consistently speaks to the entirety.

• Histograms are one more realistic method for exhibiting information to show the dissemination of the perceptions.

It is one of the most well-known types of graphical introduction of a recurrence circulation.

A histogram is built by speaking to the estimations or perceptions that are gathered on a level scale, the interim frequencies on a vertical scale, and drawing square shapes whose bases equivalent the class intervals and whose statures i.e., of heights are dictated by the relating class frequencies.