Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 2: Q. 2.7 (page 79)

The following data are the shoe sizes of 50male students. The sizes are continuous data since shoe size is measured. Construct a histogram and calculate the width of each bar or class interval. Suppose you choose six bars.

9;9;9.5;9.5;10;10;10;10;10;10;10.5;10.5;10.5;10.5;10.5;10.5;10.5;10.511;11;11;11;11;11;11;11;11;11;11;11;11;11.5;11.5;11.5;11.5;11.5;11.5;11.512;12;12;12;12;12;12;12.5;12.5;12.5;12.5;14

Short Answer

Expert verified

The histogram of the given 50sampled student is

Step by step solution

01

Given

Here we have

9;9;9.5;9.5;10;10;10;10;10;10;10.5;10.5;10.5;10.5;10.5;10.5;10.5;10.511;11;11;11;11;11;11;11;11;11;11;11;11;11.5;11.5;11.5;11.5;11.5;11.5;11.512;12;12;12;12;12;12;12.5;12.5;12.5;12.5;14

02

Explanation

Thedensityofallintervalsisdefinedbythehistogramforeachinterval.
Itindicateswhichintervalshavethelowestfrequencyandwhichhavethehighestfrequency.
Asaresult,wecansimplydeterminethemaximumandlowestshoesizeintervals.
As we can see, the maximum bar height does not equal the highest frequency since bars indicate area.
The interval 11to 12has the highest frequency.

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.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

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

The following data sets list full time police per 100,000citizens along with homicides per 100,000citizens for the city of Detroit, Michigan during the period from 1961to1973.

a. Construct a double time series graph using a common x-axis for both sets of data.

b. Which variable increased the fastest? Explain.

c. Did Detroit’s increase in police officers have an impact on the murder rate? Explain.

What is the mode?

a.19b.19.5c.14and20d.22.65

Discuss the mean, median, and mode for each of the following problems. Is there a pattern between the shape and measure of the center?

Describe the shape of this distribution.

Use the following information to answer the next three exercises: Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars. Calculate the following:

sample mean = x¯= _______

See all solutions

Recommended explanations on Math Textbooks

Probability and Statistics

Read Explanation

Mechanics Maths

Read Explanation

Statistics

Read Explanation

Applied Mathematics

Read Explanation

Discrete Mathematics

Read Explanation

Geometry

Read Explanation
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.

Sign-up for free