Interpreting a Histogram. Answer the questions by referring...

Name: Problem 6, Chapter 2: Elementary Statistics
Uploaded: 2021-08-26T14:59:22-08:00
Duration: 1 min 2 s
Channel: Abhishek Kumar
Description: Interpreting a Histogram. Answer the questions by referring to the following Minitab-generated histogram, which represents the heights (inches) of people randomly selected from those who entered New York City's Museum of Natural History during a recent Friday morning. What is the class width? What are the approximate lower and upper class limits of the first class?

Interpreting a Histogram. Answer the questions by referring to the following Minitab-generated histogram, which represents the heights (inches) of people randomly selected from those who entered New York City's Museum of Natural History during a recent Friday morning. What is the class width? What are the approximate lower and upper class limits of the first class?

Interpreting a Histogram. Answer the questions by referring to the following Minitab-generated histogram, which represents the heights (inches) of people randomly selected from those who entered New York City's Museum of Natural History during a recent Friday morning.
What is the class width? What are the approximate lower and upper class limits of the first class?

Key Concepts

Lower and Upper Class Limits

Lower and upper class limits are the smallest and largest values that can be included in a particular class interval. The lower limit is the starting point of the interval, while the upper limit is the ending point. These limits define the precise boundaries of each class in a histogram, helping to determine how data is grouped and interpreted.

Histogram

A histogram is a graphical tool used to display the distribution of a set of numerical data. It does this by grouping data into intervals (bins) and showing the frequency (count) or percentage of the data points that fall within each interval. This visual representation helps one to understand the central tendency, spread, and overall pattern of the dataset.

Class Interval

A class interval, also known as a bin, is a range within which data values are counted in a frequency distribution. In a histogram, these intervals divide the entire range of data into segments, and each one is represented by a bar whose height indicates the frequency of data points falling into that interval.

Class Width

Class width is the measure of the size of each class interval in a frequency distribution or histogram. It is calculated as the difference between the upper boundary and the lower boundary of a class. Consistency in class width across intervals ensures that the histogram accurately reflects the distribution of data.

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