Graphical Representation of Data

Graphical Representation of Data

Graphical Representation of Data

Instructions

A staff member of a city parks and recreation department wanted to collect data to determine how people might differ in their use of a city park in different seasons. She positioned six of her interns at different spots in the city park on three different days/times to identify fall, spring, and summer use. At each of these data collection sessions, the interns were instructed to write down the major activity for the first 100 people they saw.

They later classified their activity observation as falling within one of the following categories: exercising, socializing with friends, spending time with family, enjoying nature, being alone, other. The following table shows the results – the numbers of people (the same as percentages since there are 100 persons for each season) in each activity category for each season.

Graphical Representation of Data

  1. Choose 3 different ways (types of graphs) of depicting the data.,
  2. Which type of graph do you think most clearly and accurately portrays the findings? Why?,
  3. Which type of graph do you think would most clearly depict your findings to the general public?,
  4. Write a brief descriptive paragraph in words summarizing the findings of the study.

Graphical Representation of Data

Three effective ways to depict the data are:

  1. Bar Graph: This graph can show the average scores of applicants versus model employees, making it easy to compare the two groups side by side.
  2. Box Plot: A box plot can illustrate the distribution of scores, showing the median, quartiles, and potential outliers in both groups, which provides insight into score variability.
  3. Line Graph: This graph could track individual scores across both groups, highlighting trends and performance differences among applicants compared to model employees.

The bar graph most clearly and accurately portrays the findings, as it allows for straightforward comparisons between the two groups at a glance. For the general public, the bar graph is also the best choice due to its simplicity and clarity.

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