From the prices of shares X and Y given below: find out which is more stable value: X: 35 54 52 53 56 58 52 50 50 49 Y: 108 107 105 105 106 107 104 103 104 101

From the prices of shares X and Y given below, for 10 days of trading, find out which share is more stable ?

From the prices of shares X and Y below, find out which is more stable in value X 35 54 52 53 56 58 52 50 51 49 . Y 108 107 105 105 106 107 104 103 104 101

If the median of the distribution given below is 28.5, find the value of x and y . Class interval: 0-10 10-20 20-30 30-40 40-50 50-60 No. of students: 5 x 20 15 y 5

Find the value of the determinant |[101 ,102 ,103],[ 104 ,105 ,106],[ 107, 108, 109]|

Given below are the marks obtained by 30 students of a class, Using the class intervals of equal class size in which one class interval is 30-40 (excluding 40), construct a frequency table. {:(42,74,39,48,42,80,35,38,52,81),(31,72,65,58,77,82,79,65,47,30),(64,56,39,48,60,63,72,50,46,35):}

The sum and sum of squares corresponding to length x (in cm) and weight y (in gm) of 50 plant products are given below : sum_(i=1)^(50)x_i=212 ,sum_(i=1)^(50)x_i^2=902. 8 ,sum_(i=1)^(50)y_i=261 ,sum_(i=1)^50 y_ i^2=1457. 6 Which is more varying, the length or weight?

A manufacturer produces three products x, y, z which he sells in two markets. Annual sales are indicated below: Market Products I 10.000 2.000 18.000 II 6.000 20.000 8.000 (a) If unit sale prices of x, y and z are Rs 2.50, Rs 1.50 and Rs 1.00, respectively, find the total revenue in each market with the help of matrix algebra.(b) If the unit costs of the above three commodities are Rs 2.00, Rs 1.00 and 50paise respectively. Find the gross profit.

By taking classes 30 - 40, 40 - 50, 50 - 60,.. ., construct a frequency table for the following data: " 65 34 74 49 52 35" " 71 55 61 40 56 38 " " 52 56 52 33 60 35 " " 49 37 53 50 44 30" " 62 50 47 45 47 50 " " 63 61 54 58 47 64 " " 37 38 44 42 47 55 " " 70 33 75 49 47 30" " 60 69"

Which of the following is correct: (a) The element Mendelebium (d) has been named is the honour of Mendeleev. What is the atomic number of that element? (i) 100 , (ii) 101 , (iii) 102 , (iv) 103 (b) The element Seaborgium (Sg) has been nemed in the honour of Glenn T . Seaborg. What is the atomic number of that elements? (i) 104 , (ii) 105 , (iii) 106 , (iv) 107 (c ) Glenn T . Seaborg was awarded Nobel Prize in 1951 for the discovery of which element // elements? (i) Uranium (U) (ii) Elelments from 90 to 93 (iii) Elements from 94 to 102 (iv) elements from 103 to 106

Given below are the marks obtained by 40 students in an examination : 40 56 24 41 51 22 59 12 26 46 51 14 23 59 58 29 41 35 36 40 42 43 36 33 38 52 23 24 13 55 18 54 20 57 30 24 43 50 26 15 Taking class intervals 10-20, 20-30,. ...., 50-60 , construct a frequency table for the above distribution.