Object-oriented Programming and Marks

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BACHELOR OF COMPUTER APPLICATIONS

(BCA)

ASSIGNMENTS
Year, 2013

(4rd Semester (Revised Syllabus))

(BCS-040, MCS-024, BCS-041, BCS-042, MCSL-016, BCSL-043, BCSL-044, BCSL-045)

SCHOOL OF COMPUTER AND INFORMATION SCIENCES
INDIRA GANDHI NATIONAL OPEN UNIVERSITY
MAIDAN GARHI, NEW DELHI – 110 068

CONTENTS

|Course Code |Assignment No. | Submission-Schedule |Page No. | | | |For Jan-June Session |For July-Dec Session | | |BCS-040 |BCA(IV)-040/Assign/13 |15th April, 2013 |15th October 2013 |3 | |MCS-024 |BCA(IV)-024/Assign/13 |15th April, 2013 |15th October 2013 |4 | |BCS-041 |BCA(IV)-041/Assign/13 |15th April, 2013 |15th October 2013 |6 | |BCS-042 |BCA(IV)-042/Assign/13 |15th April, 2013 |15th October 2013 |8 | |MCSL-016 |BCA(IV)-L016/Assign/13 |15th April, 2013 |15th October 2013 |9 | |BCSL-043 |BCA(IV)-043/Assign/13 |15th April, 2013 |15th October 2013 |10 | |BCSL-044 |BCA(IV)-044/Assign/13 |15th April, 2013 |15th October 2013 |11 | |BCSL-045 |BCA(IV)-045/Assign/13 |15th April, 2013 |15th October 2013 |14 |

Course Code : BCS-040
Course Title : Statistical Techniques
Assignment Number : BCA(IV)-040/Assignment/2013
Maximum Marks : 100
Weightage:25%
Last Date of Submission : 15th April, 2013/15th October, 2013

Note: This assignment has six questions of 80 marks (each section of a question carries same marks). Answer all the questions. Rest 20 marks are for viva voce. You may use illustrations and diagrams to enhance explanations. Please go through the guidelines regarding assignments given in the Programme Guide for the format of presentation.

Q1In a study on the cost living index for a particular year in a city, the following weekly observations were made. |Cost of living index(Rs.) |140-150 |150-160 |160-170 |170-180 |180-190 |190-200 | |Number of Weeks |5 |10 |20 |9 |6 |2 |

Draw a histogram and a frequency polygon on the same scale (10)

Q2The following table gives the distribution of students and also regular players among them, according to age groups. Is there any correlation between ages and playing habits? (15) |Age of groups(Years) |15-16 |16-17 |17-18 |18-19 |19-20 |20-21 | |Number of Students |200 |270 |340 |360 |400 |300 | |Number of Regular players |150 |152 |170 |180 |180 |120 |

Q3Following data are given for marks in subject A and B in a certain examination : (15) | |SUBJECT A |SUBJECT B | |MEAN MARKS |36 |85 | |STANDARD DEVIATION |11 |8 |

Coefficient of correlation between A and B = ±0.66i) Determine the two...
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