समान्तर माध्य ज्ञात कीजिए।81, 74,69, 73,91, 55, 61. | 8 | सांख्यिकी | MATHS | NAVBODH | Doubtnut

Two sections of class IX having 27 students in each section appeared for Mathematics olympiad. The marks obtained by them are shown below. 46, 31, 74, 68, 42, 54, 14, 61, 48, 37, 26, 8, 64, 57, 93, 72, 53, 59, 38, 16, 88, 56, 46, 66, 45, 61, 54, 27, 27, 44, 63, 58, 43, 81, 64, 36, 49, 50, 76, 38, 47, 77, 62, 53, 40, 71, 60, 45, 42, 34, 46, 40, 59, 42 One student is selected at random. Find the probability that selected student is having marks more than 49.

100 plants each were planted in 100 schools during Van Mahotsava. After one month, the number of plants that survived were recorded as: 95 67 28 32 65 65 69 33 98 96 76 42 32 38 42 40 40 69 95 92 75 83 76 83 85 62 37 65 63 42 89 65 73 81 49 52 64 76 83 92 93 68 52 79 81 83 59 82 75 82 86 90 44 62 31 36 38 42 39 83 87 56 58 23 35 76 83 85 30 68 69 83 86 43 45 39 83 75 66 83 92 75 89 66 91 27 88 89 93 42 53 69 90 55 66 49 52 83 34 36 Tabulate the given data in suitable groups using tally marks.

Directions (Questions 11 to 15): Study the following table carefully and answer the questions given below: Number (N) of Candidates (In lakhs) Appearing For An Entrance Examination From Six Different States And The Percentage (P) of Candidates Clearing the Same Over the Years STATE -> A B C D E F YEAR darr N P N P N P N P N P N P 2004 1.23 42 1.04 51 1.11 32 1.32 24 1.23 36 1.33 31 2005 1.05 43 1.12 62 1.07 47 1.15 49 1.18 55 1.24 24 2006 2.04 38 1.48 32 1.08 28 1.96 35 1.42 49 1.58 26 2007 1.98 41 2.07 43 1.19 30 1.88 46 1.36 47 1.79 29 2008 1.66 53 1.81 50 1.56 42 1.83 60 1.73 57 1.86 34 2009 1.57 39 1.73 36 1.64 52 2.01 56 1.69 55 1.95 37 What is the ratio of the total number of candidates clearing the entrance examination from State B in the year 2004 to that of those clearing the entrance examination from State C in the same year? (a) 221 : 148 (b) 218 : 143 (c) 148 : 221 (d) 143 : 218 (e) None of these

Numbers arrangement machine when given an input line of numbers rearranges them following a particular rule in each step The following is an illustration of input and rearrangement {:("Input: 92 54 73 15 40 25 86 77 62 68"),("Step I: 16 92 54 73 40 86 77 62 68 26"),("Step II: 41 16 92 73 86 77 62 68 26 55"),("Step III: 63 41 16 92 73 86 77 26 55 69"),("Step IV: 74 63 41 16 92 86 26 55 69 78"),("Step V: 87 74 63 41 16 26 55 69 78 93"):} Step V., is the last step Input - 59 41 100 29 64 85 17 35 72 88 What is the position of 36 from the left end in second last step ?

Numbers arrangement machine when given an input line of numbers rearranges them following a particular rule in each step The following is an illustration of input and rearrangement {:("Input: 92 54 73 15 40 25 86 77 62 68"),("Step I: 16 92 54 73 40 86 77 62 68 26"),("Step II: 41 16 92 73 86 77 62 68 26 55"),("Step III: 63 41 16 92 73 86 77 26 55 69"),("Step IV: 74 63 41 16 92 86 26 55 69 78"),("Step V: 87 74 63 41 16 26 55 69 78 93"):} Step V., is the last step Input - 59 41 100 29 64 85 17 35 72 88 How many numbers are there between the one which is 2^(nd) from the left end and 100 in step II ?

Numbers arrangement machine when given an input line of numbers rearranges them following a particular rule in each step The following is an illustration of input and rearrangement {:("Input: 92 54 73 15 40 25 86 77 62 68"),("Step I: 16 92 54 73 40 86 77 62 68 26"),("Step II: 41 16 92 73 86 77 62 68 26 55"),("Step III: 63 41 16 92 73 86 77 26 55 69"),("Step IV: 74 63 41 16 92 86 26 55 69 78"),("Step V: 87 74 63 41 16 26 55 69 78 93"):} Step V., is the last step Input - 59 41 100 29 64 85 17 35 72 88 How many numbers are there between 60 and the one which is 3^(rd) to left of 86 in step V ?

Numbers arrangement machine when given an input line of numbers rearranges them following a particular rule in each step The following is an illustration of input and rearrangement {:("Input: 92 54 73 15 40 25 86 77 62 68"),("Step I: 16 92 54 73 40 86 77 62 68 26"),("Step II: 41 16 92 73 86 77 62 68 26 55"),("Step III: 63 41 16 92 73 86 77 26 55 69"),("Step IV: 74 63 41 16 92 86 26 55 69 78"),("Step V: 87 74 63 41 16 26 55 69 78 93"):} Step V., is the last step Input - 59 41 100 29 64 85 17 35 72 88 Which of the following number is 6^(th) to the left of 30 in the III step ?

Study the following information to answer the given questions. A number arrangement machine when given an input line of numbers rearranges them following a particular rule. The following is an illustration of input and re-arrangement. Input: 62 31 23 48 73 54 17 42 Step 1: 124 93 69 96 219 108 51 84 Step 2: 217 24 165 123 327 57 135 Step 3: 14 8 30 6 42 35 15 Step 4: 7 4 15 3 21 17.5 7.5 Step IV is the output of the above input. As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input. Input: 44 37 61 56 32 83 12 75 Which of the following element is second to the right of the element which is sixth from the right end in step III?