AHLCON PUBLIC SCHOOL, MAYUR VIHAR PHASE 1, DELHI – STATISTICS ASSIGNMENT 1- - XI – CHAPTER 7 (GRAPHICAL PRESENTATIONS) Q.1 Make a histogram of the following data: C.I. 10 19 20 29 30 39 40 - 49 – – – f 18 14 12 09 Q.2 Draw a histogram for the following information: Midpoint 5 15 25 35 45 55 Frequency 8 15 12 13 12 08 Q.3 Represent the following data by means of a histogram and frequency polygon: C.I. 0 5 5 15 15 25 25 50 50 55 55 - 60 – – – – – f 4 12 24 75 9 6 Q.4 Represent the following data by means of a histogram and frequency polygon and frequency curve: C.I. 0 10 10 15 15 45 45 50 50 60 60 65 – – – – – – f 5 22 54 10 6 1 Q.5 Draw a than’ and than’ ogive curves from the following data and indicate the ‘less ‘more value of median: C.I. 0 10 10 20 20 30 30 40 40 50 50 60 60 70 – – – – – – – f 10 12 5 6 2 3 8 Q.6 Make a than’ and tha’n from the following data: ‘less ‘more C.I. 0 5 5 10 10 15 15 20 20 25 25 30 30 35 – – – – – – – f 12 23 14 12 18 30 41 Q.7 What is the difference between a histogram and a bar-diagram? Q.8 What is the base line? Q.9 Prepare a histogram of the following data: Wages 325 350 350 375 375 400 400 425 425 - 450 – – – – Frequency 30 45 75 60 35 Q.10 Prepare a histogram for the following data: Marks 4 -8 8 12 12 16 16 20 20 28 28 - 40 40 56 – – – – – No. of Students 3 9 15 18 20 15 12 Q.11 On the basis of the following frequency distribution draw a than’ and than’ ‘less ‘more cumulative frequency curves Marks No. of students 0 10 2 – 10 20 3 – 20 30 5 – 30 40 8 – 40 50 4 – 50 60 3 –
AHLCON PUBLIC SCHOOL, MAYUR VIHAR PHASE – 1, DELHI STATISTICS ASSIGNMENT – 1- - XI CHAPTER 7 (GRAPHICAL PRESENTATIONS) Q.1 Make a histogram of the following data: C.I. 10 – 19 20 – 29 30 – 39 40 - 49 f 18 14 12 09 Q.2 Draw a histogram for the following information: Midpoint 5 15 25 35 45 55 Frequency 8 15 12 13 12 08 Q.3 Represent the following data by means of a histogram and frequency polygon: C.I. 0 – 5 5 – 15 15 – 25 25 – 50 50 – 55 55 - 60 f 4 12 24 75 9 6 Q.4 Represent the following data by means of a histogram and frequency polygon and frequency curve: C.I. 0 – 10 10 – 15 15 – 45 45 – 50 50 – 60 60 – 65 f 5 22 54 10 6 1 Q.5 Draw a ‘less than’ and ‘more than’ ogive curves from the following data and indicate the value of median: C.I. 0 – 10 10 – 20 20 – 30 30 – 40 40 – 50 50 – 60 60 – 70 f 10 12 5 6 2 3 8 Q.6 Make a ‘less than’ and ‘more tha’n from the following data: C.I. 0 – 5 5 – 10 10 – 15 15 – 20 20 – 25 25 – 30 30 – 35 f 12 23 14 12 18 30 41 Q.7 What is the difference between a histogram and a bar-diagram? Q.8 What is the base line? Q.9 Prepare a histogram of the following data: Wages 325 – 350 350 – 375 375 – 400 400 – 425 425 - 450 Frequency 30 45 75 60 35 Q.10 Prepare a histogram for the following data: Marks 4 -8 8 – 12 12 – 16 16 – 20 20 – 28 28 - 40 40 – 56 No. of Students 3 9 15 18 20 15 12 Q.11 On the basis of the following frequency distribution draw a ‘less than’ and ‘more than’ cumulative frequency curves Marks No. of students 0 – 10 2 10 – 20 3 20 – 30 5 30 – 40 8 40 – 50 4 50 – 60 3