150, 143, 129, 108, ? 45 | CLASS 14 | SERIES | MATHS | Doubtnut

Given below are heights of 15 boys of a class measured in cm: 128, 144, 146, 143, 136, 142, 138, 129, 140, 152, 144, 140, 150, 142, 154. Find (a) The height of the tallest boy. (b) The height of the shortest boy. (c) The range of the given data. (d) The median height of the boys.

Study the following information to carefully to answer these question : Anumber sorting machine when given an input of numbers, rearranges them in a particular manner step -by -step as indicated below till all the numbers are arranged . Given below is an illustration of this arrangement . {:("Input : 39 121 48 18 76 112 14 45 63 96"),("Step I : 14 39 121 48 18 76 112 45 63 96"),("Step II. : 14 39 48 18 76 112 45 63 96 121"),("Step : III 14 18 39 48 76 112 45 63 96 121"),("Step IV. :14 18 39 48 76 45 63 96 112 121"),("Step V.: 14 18 39 45 48 76 63 96 112 121"),("Step VI. : 14 18 39 45 48 63 76 96 112 121"):} (And step VI is the last step for this input.) What will be step III for the following input ? Input : 68 182 39 93 129 46 21 58

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.

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The distances (in km) covered by 24 cars in 2 hours are given below: 125,14,0128,108,96,149,136,112,84,123,130,120,103,89,65,103,145,97,102,87,67,78,98,126 Represent them as a cumulative frequency table using 60 as the lower limit of the first group and all the classes having the class size of 15.

Find the range of heights of ten students of a class. Heights of students are :- 120cm, 125 cm, 150cm, 110cm, 148cm, 143cm, 105cm, 149cm, 130cm, 115cm.

A grouped frequency distribution table with classes of equal sizes using 63-72 (72 included) as one of the class is constructed for the following data 30,32,45,54,74,78,108,112,66,66,76,88, 40, 14, 20,15,35,44,66,75,84,95,96,102,110,88,74,112,14,34,44. The number of classes in the distribution will be