Exam Details

Subject Statistical Techniques Lab
Paper
Exam / Course Bachelor of Computer Applications / Masters in Computer Applications (PRACTICALS)
Department School of Computer and Information Sciences (SOCIS)
Organization indira gandhi national open university
Position
Exam Date December, 2015
City, State new delhi,


Question Paper

l. Monthly income of a sample of 20 persons in a locality is given as under

(Monthly income in RS)

7631 11235 55101 9050 51001
14001 25325 45235 19350 33165
41235 47325 31391 39575 29391
21450 29750 36210 41051 50000

Perform the following tasks for the data given above:

Enter the data in a spreadsheet software and create a frequency distribution in the ranges: less than 5000; 5001 to 15000; 15001 to 25000; 25001 to 35000; 35001 to 45000; 45001 to 55000; and more than 55000. Use array formula to create the frequency distribution.

Draw the histogram of the data.

Find the mean and variance for the data using spreadsheet formula.

How will the mean and variance change, if the highest income is RS 2 lakhs, in the sample instead of RS 55001

2. A total of 600 persons were selected for finding the effect of healthy food on blood· pressure. The results of the study are given below:

<img src='./qimages/7539-2.jpg'>

Use Chi-square test to determine if healthy food intake has any effect on good control of blood pressure. Explain your results. Make suitable assumptions, if any.


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Advanced database management systems
  • Assembly Language Programming Lab
  • C and Assembly Language Programming
  • C Language Programming
  • C' Programming and Data Structure
  • C++ Programming Lab
  • Computer Basics And PC Software Lab
  • Computer Fundamentals and PC Software
  • Computer Networks
  • COMPUTER ORIENTED NUMERICAL TECHNIQUES LAB
  • Data And File Structures Lab
  • Data Base Management System Lab
  • Internet Concepts and Web Design
  • Introduction to algorithm design lab
  • Introduction to Internet Programming (Java)
  • Introduction to System Software
  • Java Programming Lab
  • Laboratory Course (For Data and File Structures, Networking, DBMS Lab & Java Programming
  • Laboratory Course (For OOAD, Software Engineering and Accountancy and Financial Management
  • Laboratory Course in (Advanced Internet Technologies & Computer Graphics and Multimedia)
  • Network Programming and Administration Lab
  • Operating System Concepts and Network Management Lab
  • RDBMS Lab
  • Statistical Techniques Lab
  • TCP/IP Programming
  • UNIX and DBMS Lab
  • WEB PROGRAMMING LAB
  • Windows Programming