The data summarized in Table 5.6 show the number of trials...

Name: Problem 9, Chapter 5: Schaum's Outline of Elements of Statistics I: Descriptive Statistics and Probability
Uploaded: 2023-07-10T22:36:32-08:00
Channel: Danielle Fairburn
Description: The data summarized in Table 5.6 show the number of trials (repetitions) it took each of 40 white rats to "learn" how to run a complex maze. Each rat was considered to have learned the maze when it achieved the criterion of zero maze-running errors (i.e., wrong turns) in a trial. Which type of bar graph is appropriate for this data: bar charts with spaces between the bars or histograms?

The data summarized in Table 5.6 show the number of trials (repetitions) it took each of 40 white rats to "learn" how to run a complex maze. Each rat was considered to have learned the maze when it achieved the criterion of zero maze-running errors (i.e., wrong turns) in a trial. Which type of bar graph is appropriate for this data: bar charts with spaces between the bars or histograms?

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Quantitative vs. Categorical Data

Understanding whether data is quantitative or categorical is essential when selecting a graph type. Quantitative data represents numerical measurements on an interval or ratio scale, and its values have a meaningful order. In contrast, categorical data consists of groups or categories without intrinsic numeric order. This distinction guides whether to use a histogram (for quantitative data) or a bar chart (generally for categorical data).

Histograms

A histogram is a type of graph used to depict the frequency distribution of quantitative data. In a histogram, data is grouped into bins or intervals, and the bars are adjacent to each other, reflecting the continuous or ordered nature of the variable. This representation is appropriate when the variable being measured (such as the number of trials taken to learn a maze) is numerical and has a meaningful order.

Bar Charts

Bar charts are used to represent categorical data where each category is separate and distinct, often with spaces between the bars to emphasize the lack of inherent order between the categories. They are ideal for displaying data where the focus is on comparing different groups rather than trends or distributions in numerical data.

Transcript

Please give Ace some feedback