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Frequency Distributions and Their Graphs (Section 2.1) The following sample data set shows the prices (in dollars) of 20 portable global position system (GPS) navigators. Find the class width if the distribution table will have 5 classes. 90 130 400 200 350 70 325 250 150 250 275 270 150 130 59 200 160 450 300 130 Fill in the boxes with the correct numbers. Step 1: Range = maximum data value - minimum data value %3D Range %3D Step 2: Range / Number of Classes

Frequency Distributions and Their Graphs (Section 2.1) The following sample data set shows the prices (in dollars) of 20 portable global position system (GPS) navigators. Find the class width if the distribution table will have 5 classes. 90 130 400 200 350 70 325 250 150 250 275 270 150 130 59 200 160 450 300 130 Fill in the boxes with the correct numbers. Step 1: Range = maximum data value - minimum data value %3D Range %3D Step 2: Range / Number of Classes

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Frequency Distributions and Their Graphs (Section 2.1)** The following sample data set shows the prices (in dollars) of 20 portable global position system (GPS) navigators. **Find the class width if the distribution table will have 5 classes.** Data set: ``` 90, 130, 400, 200, 350, 70, 325, 250, 150, 250, 275, 270, 150, 130, 59, 200, 160, 450, 300, 130 ``` **Step-by-Step Calculation:** **Step 1:** Calculate the Range The range is the difference between the maximum and minimum data values. \[ \text{Range} = \text{maximum data value} - \text{minimum data value} \] Fill in the following with the correct numbers: \[ \text{Range} = \_\_\_\_\_ - \_\_\_\_\_ = \_\_\_\_\_ \] **Step 2:** Calculate the Class Width The class width is obtained by dividing the range by the number of classes. \[ \text{Range} / \text{Number of Classes} = \_\_\_\_\_ / 5 = \_\_\_\_\_ \] **Step 3:** Round UP to the next highest whole number After finding the class width, round it up to the next highest whole number. \[ \text{Rounded Class Width} = \_\_\_\_\_ \] **Instructions:** Fill in the boxes with the correct numbers based on these calculations. **Navigation Links:** - An Overview of Statistics & Data Classification (Sections 1.1 & 1.2) - More Graphs and Displays (Section 2.2) **Interactive Check Button:** Click the "Check" button to verify your calculations. --- This exercise helps in understanding how to create frequency distributions and their graphs by determining the appropriate class width for a given data set.
Transcribed Image Text:**Frequency Distributions and Their Graphs (Section 2.1)** The following sample data set shows the prices (in dollars) of 20 portable global position system (GPS) navigators. **Find the class width if the distribution table will have 5 classes.** Data set: ``` 90, 130, 400, 200, 350, 70, 325, 250, 150, 250, 275, 270, 150, 130, 59, 200, 160, 450, 300, 130 ``` **Step-by-Step Calculation:** **Step 1:** Calculate the Range The range is the difference between the maximum and minimum data values. \[ \text{Range} = \text{maximum data value} - \text{minimum data value} \] Fill in the following with the correct numbers: \[ \text{Range} = \_\_\_\_\_ - \_\_\_\_\_ = \_\_\_\_\_ \] **Step 2:** Calculate the Class Width The class width is obtained by dividing the range by the number of classes. \[ \text{Range} / \text{Number of Classes} = \_\_\_\_\_ / 5 = \_\_\_\_\_ \] **Step 3:** Round UP to the next highest whole number After finding the class width, round it up to the next highest whole number. \[ \text{Rounded Class Width} = \_\_\_\_\_ \] **Instructions:** Fill in the boxes with the correct numbers based on these calculations. **Navigation Links:** - An Overview of Statistics & Data Classification (Sections 1.1 & 1.2) - More Graphs and Displays (Section 2.2) **Interactive Check Button:** Click the "Check" button to verify your calculations. --- This exercise helps in understanding how to create frequency distributions and their graphs by determining the appropriate class width for a given data set.
### Frequency Distributions and Their Graphs (Section 2.1) #### Instructions: 1. Enter the lower class limits and upper class limits for the classes below. 2. Fill in the missing numbers for the data set. --- #### Data Set ``` 90, 130, 140, 200, 350, 70, 325, 250, 150, 250, 275, 270, 150, 130, 59, 200, 160, 450, 300, 130 ``` #### Fill in the Missing Numbers: - **The minimum data value is:** 90 - **Class width:** [Input required] --- #### Enter Class Limits: **1st class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **2nd class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **3rd class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **4th class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **5th class:** - Lower class limit: [Input required] - Upper class limit: [Input required] --- #### Check Your Answers: - Fill in the required fields and click the "Check" button to verify your answers. ### Additional Information: - The **class width** is a critical value that helps in determining the range for each class. It can be found by subtracting the minimum data value from the maximum data value and then dividing by the number of classes desired. - **Class limits** are the smallest and largest data values that can belong to each class. The lower class limit is the smallest possible data value assigned to the class, and the upper class limit is the largest possible data value assigned to the class. --- This section is part of the **2021SU MAT-152-41IN,CR41 Statistical Methods I** course and is designed to assist students in understanding how to create frequency distributions and their corresponding graphs.
Transcribed Image Text:### Frequency Distributions and Their Graphs (Section 2.1) #### Instructions: 1. Enter the lower class limits and upper class limits for the classes below. 2. Fill in the missing numbers for the data set. --- #### Data Set ``` 90, 130, 140, 200, 350, 70, 325, 250, 150, 250, 275, 270, 150, 130, 59, 200, 160, 450, 300, 130 ``` #### Fill in the Missing Numbers: - **The minimum data value is:** 90 - **Class width:** [Input required] --- #### Enter Class Limits: **1st class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **2nd class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **3rd class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **4th class:** - Lower class limit: [Input required] - Upper class limit: [Input required] **5th class:** - Lower class limit: [Input required] - Upper class limit: [Input required] --- #### Check Your Answers: - Fill in the required fields and click the "Check" button to verify your answers. ### Additional Information: - The **class width** is a critical value that helps in determining the range for each class. It can be found by subtracting the minimum data value from the maximum data value and then dividing by the number of classes desired. - **Class limits** are the smallest and largest data values that can belong to each class. The lower class limit is the smallest possible data value assigned to the class, and the upper class limit is the largest possible data value assigned to the class. --- This section is part of the **2021SU MAT-152-41IN,CR41 Statistical Methods I** course and is designed to assist students in understanding how to create frequency distributions and their corresponding graphs.
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