The heights of 50 students, measured to the nearest centimetres, have been found to be as follow...
4,066 views · Published 3 August 2018 · 3:40 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
Question From - NCERT Maths Class 9 Chapter 14 EXERCISE 14.2 Question – 4 STATISTICS CBSE, RBSE, UP, MP, BIHAR BOARD QUESTION TEXT:- The heights of 50 students, measured to the nearest centimetres, have been found to be as follows: 161 150 154 165 168 161 154 162 150 151 162 164 171 165 158 154 156 172 160 170 153 159 161 170 162 165 166 168 165 164 154 152 153 156 158 162 160 161 173 166 161 159 162 167 168 159 158 153 154 159 (i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as 160 - 165, 165 - 170, etc. (ii) What can you conclude about their heights from the table? Doubtnut के साथ १००% मार्क्स पायें, आज ही डाउनलोड करें :- https://doubtnut.app.link/91GzfmKxjP Related Questions & Solutions: 1. The blood groups of 30 students of Class VIII are recorded as follows: A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O. Represent this data in the form of... https://youtu.be/FPnMyiV6EnA 2. The distance (in km) of 40 engineers from their residence to their place of work were found as follows: `5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 1... https://youtu.be/j0xo7TBqSHc 3. The relative humidity (in %) of a certain city for a month of 30 days was as follows: 98.1 98.6 99.2 90.3 86.5 95.3 92.9 96.3 94.2 95.1 89.2 92.3 97.1 93.5 92.7 95.1 97.2 93.3 95.2 97.3 96.2 92.1 84.... https://youtu.be/1qmWQMHaszM 4. Three coins were tossed 30 times simultaneously. Each time the number of heads occurring was noted down as follows: 0 1 2 2 1 2 3 1 3 0 1 3 1 1 2 2 0 1 2 1 3 0 0 1 1 2 3 2 2 0 Prepare a frequency di... https://youtu.be/e-d8U_Xs47g 5. The value of `pi` upto 50 decimal places is given below: 3.14159265358979323846264338327950288419716939937510 (i) Make a frequency distribution of the digits from 0 to 9 after the decimal point. (ii) ... https://youtu.be/_b5YeKqUd_4 Get Classwise & Chapterwise Definitions & Solutions from NCERT Book: • NCERT Solutions for class 6th to class 12th Maths - https://doubtnut.com/ncert-solutions • NCERT Solutions for Class 9 - https://doubtnut.com/ncert-solutions/class-9-maths-1 • NCERT Solutions for Class 9, Chapter 14 - https://doubtnut.com/ncert-solutions/class-9-maths-chapter-14-statistics-1 Score 100% With Doubtnut Prepare your class 9 subjects with our intuitive video solutions and score well in your final academic exam 2019-20. Students can click the doubt question from their text book of class 9 maths, science and find instant video solutions on our renowned doubt solving app or even on our website. Subscribe our channel for latest and trending videos on various topics from subjects like – Maths, Physics, Chemistry, Biology etc for Board & higher studies. Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT के गणित/ भौतिक विज्ञान/रसायन विज्ञान/जीव विज्ञान/ के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी भी गणित सवाल का जवाब - 5 लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर Doubtnut App and website has video solutions of ALL the NCERT questions from Class 6 to 12. You can download the NCERT solutions in pdf format too. Student can prepare for IIT JEE at https://doubtnut.com/iit-solutions, where questions from popular books of Math, Physics, Chemistry , Biology are solved for easy and swift learning. Doubtnut app provides free online video solutions that help students to better understand each topic and retain what they have learnt for a longer duration. It further helps in creating a stronger foundation for future classes. You can also ask any question related to Math, Physics, Chemistry, Biology and get a video solution for FREE from a library of more than 5 Lakhs Videos Follow Us On Facebook https://www.facebook.com/doubtnut
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