STAT 3001 Week 2 Project

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1 Week 2 Project - STAT 3001 Student Name: Michal Darlene Udoh <Type your name here> Date: 03/14/15 <Enter the date on which you began working on this assignment.> Instructions: To complete this project, you will need the following materials:  STATDISK User Manual (found in the classroom in DocSharing . Click on “+” under the word “Index” on the right side of the Doc Sharing page to see all links to my previous posts there )  Access to the Internet to download the STATDISK program (www.statdisk.org) . This assignment is worth a total of 60 points. Part I. Histograms and Frequency Tables Instructions Answers 1. Open the file PARENTH T using menu option Datasets and then Elementar y Stats, 9 th Edition . This file contains some information about the height of a group of children and the height of their parents. What are the names of the variables in this file? In the given data table, the variables are Gender, Heights, and the height of Mother and Height of Father.
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2 2. Create a histogram for the mother’s height using the frequency of each value. Paste the chart here: 3. Using the information in the above histogram, complete this table. Be sure to estimate the range of heights for each bar as well as the frequency, relative frequency, and cumulative frequency. Height Frequency Relative Frequency Cumulative Frequency 55 - 60 3 0.0750 0.0750 60 - 65 20 0.5000 0.5750 65 - 70 15 0.3750 0.9500 70 - 75 2 0.0500 1.0000
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3 a. How many of the mothers have a height of 67 inches or less? How do you know? There are 3 5 observations below 67 inches or below b. How many of the mothers are between 62 and 65 inches? Show your work. There are 17 observations which are between 62 and 65 inches c. What percent of the mothers have heights that are 71 inches or more? From the above histogram, there are 2 observations which are above 71 inches among the 103 Therefore the relative frequency 2 0.05 40  

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