/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q 2.17  What is the frequency distribu... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

What is the frequency distribution of qualitative data and why is it useful?

Short Answer

Expert verified

A frequency distribution of qualitative data is a table of definite values and their frequencies that is valuable since it provides a table of the values of the observation as well as the frequency with which it happens.

Step by step solution

01

Given Information

We have to explain about the frequency distribution of qualitative data and its uses

02

Explanation

The frequency of a value is described as the amount of times it occurs.. A qualitative data frequency distribution is a set of defined values and their frequencies.

It's useful since it gives you a table of the observation's values and tells you how often it happens.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

In Exercises 2.20-2.25, we have presented some simple qualitative data sets for practicing the concepts. For each data set,

a. determine a frequency distribution.

b. obtain a relative-frequency distribution.

c. draw a pie chart.

d. Construct a bar chart.

Sickle Cell Disease. A study published by E. Anionwu et al. in the British Medical Journal (Vol, 282, pp .283-286) measured the steady-state hemoglobin levels of patients with three different types of sickle cell disease. Following is a stem-and-leaf diagram of the data.

Gas Mileage. The gas mileages, are rounded to the nearest number of miles per gallon, of all new car models.

Give an example, other than those presented in this section, of

a) Qualitative Variable

b) Discrete Qualitative Variable

c) Continuous Quantitative Variable

Cholesterol Levels. According to the National Health and

Control and Prevention, the average cholesterol level for children between 4and 19years of age is 165mg/dL. A pediatrician who tested the cholesterol levels of several young patients was alarmed to find that many had levels higher than 200mg/dL. The following relativefrequency histogram shows the readings for some patients who had high cholesterol levels.

Use the graph to answer the following questions. Note that cholesterol levels are always expressed as whole numbers.

a. What percentage of the patients have cholesterol levels between 205and 209, inclusive?

b. What percentage of the patients have levels of 215or higher?

c. If the number of patients is 20, how many have levels between 210and 214, inclusive?

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.