Heights in inches 58 59 60 61 62 63 64 65 66 No. of students 15 20 32 35 35 22 20 10 8   Answer: Median is the Middle term, Median = 61 xi =Heights in inches fi = Number of students xi fi...

Number of calls 0 1 2 3 4 5 6 7 Frequency 14 21 25 43 51 40 39 12 Compute the mean deviation about the median.   Answer: Median is the even term, (3+5)/2 = 4 Median = 8 xi =Number of calls fi =...

xi 5 7 9 11 13 15 17 fi 2 4 6 8 10 12 8   Answer: N = 50 Median = (50)/2 = 25 Median Corresponding to 25 is 13 xi fi Cumulative Frequency |di| = |xi – M| = |xi – 61| fi |di| 5 2 2 8 16 7 4 6 6...

xi 5 7 9 10 12 15 fi 8 6 2 2 2 6   Answer: xi fi Cumulative Frequency (xifi) |di| = |xi – Mean| fi |di| 5 8 40 4 32 7 6 42 2 12 9 2 18 0 0 10 2 20 1 2 12 2 24 3 6 15 6 90 6 36 Total = 26 Total...

xi 5 10 15 20 25 fi 7 4 6 3 5   Answer: xi fi Cumulative Frequency (xifi) |di| = |xi – Mean| fi |di| 5 7 35 9 63 10 4 40 4 16 15 6 90 1 6 20 3 60 6 18 25 5 125 11 55 Total = 25 Total = 350...

xi 10 30 50 70 90 fi 4 24 28 16 8   Answer: xi fi Cumulative Frequency (xifi) |di| = |xi – Mean| fi |di| 10 4 40 40 160 30 24 720 20 480 50 28 1400 0 0 70 16 1120 20 320 90 8 720 40 320 Total =...

xi 15 21 27 30 fi 3 5 6 7   Answer: N = 21 Median = (21)/2 = 10.5 Median Corresponding to 10.5 is 27 xi fi Cumulative Frequency |di| = |xi – M| fi |di| 15 3 3 15 45 21 5 8 9 45 27 6 14 3 18 30...

xi 74 89 42 54 91 94 35 fi 20 12 2 4 5 3 4   Answer: N = 50 Median = (50)/2 = 25 Median Corresponding to 25 is 74 xi fi Cumulative Frequency |di| = |xi – M| fi |di| 74 20 4 39 156 89 12 6 32 64...

Marks obtained 10 11 12 14 15 No. of students 2 3 8 3 4   Answer: N = 20 Median = (20)/2 = 10 Median Corresponding to 10 is 12 xi fi Cumulative Frequency |di| = |xi – M| fi |di| 10 2 2 2 4 11 3...