जनसंख्या विस्फोट,जनसंख्या नियंत्रण हेतु गर्भनिरोधक उपाय | जनन स्वास्थ्य Ch 4 L2 | Class 12th Biology

जनन स्वास्थ्य |जनसंख्या विस्फोट |जन्म नियंत्रण तकनीक |OMR

जनन स्वास्थ्य |जनसंख्या विस्फोट |जन्म नियंत्रण तकनीक |OMR

CH. 14 STATISTICS Q1 Class 0-8 8-16 16-24 24-32 32-40 Frequency 10 12 26 9 15 e mean of above data by: () Direct method () Assumed mean method (ii) Step deviati iop metod. Q2 The following distribution shows the daily pocket allowance of children of a locali ty. The mean pocket allowance is Rs 20. Find the missing frequency Daily Pocket 0-20 20-40 40-60 0-80 80-100 No. Of Children 7 10 9 13 Q3. The following table shows age distribution of persons in a particular region. Find the: (0) mean age (i)modal age (ili) median age Age? Below!0 Below20 Below30 Below 40, Below 50 Belo No, persons ? 250 190 100 40 15 4 Arithmetic mean of the following frequency distribution is 50. Find the missing frequencies C.I. ? 0-20 20-40 40-60 60-80 80-100 Tota

This question is based on the following alphabet series. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z If the first 6 letters are written in reversed order, then the next 5 letters are written in reversed order and again next 6 letters are written in reversed order then which letter is in the middle between 7th letter from the left and 12th letter from the right? 1) G 2) T 3) H 4) U 5) None of these