Free Essays on Frequency Distribution

Recurrence DISTRIBUTION I. Identify the issue An arbitrarily chosen gathering of understudies in a class of 35 was asked how much stipend is given to them on an every day premise. The goal is to evaluate how much the normal understudy jumps every day, discover what number of these understudies fall inside a predefined class interim utilizing a recurrence table, and how much most of the understudies get every day. II. Data: 100 200 300 500 100 200 250 450 300 700 250 350 200 250 100 500 200 150 150 150 150 150 300 350 250 250 300 350 250 250 400 350 400 300 400 Remittances every day of a gathering of 35 understudies learning at DLSU (in Php) III. Set-up the recurrence table Class interim: =1 + 3.322log35 =6.12  » 6 Class size: =(700 †100)/6 =100 Recurrence Table Class Limits Class Mark Class Frequency Cum. Recurrence 100-199 149.5 8 8 200-299 249.5 11 19 300-399 349.5 9 28 400-499 449.5 4 32 500-699 549.5 2 34 700-799 749.5 1 35 IV. Computations for graphic measurements Mean: =(8)(149.5) + (11)(249.5) + (9)(349.5) + (4)(449.5) + (2)(549.5) + (1)(749.5) 35 =Php 306.63 Middle: Middle class is 200-299 =200 + 100{ [ (35/2) †8 ]/11 } =Php 286.36 Mode: Php 250.00 Proportions of Variability: a. Average Deviation = (8)|49.5-306.63| + (11)|249.5-306.63| (9)|349.5-306.63| (4)|449.5-306.63| + (2)|549.5-306.63| (1)|749.5-306.63| 3771.39 = 3771.39/35 =Php 107.54 b. Variance/Standard Deviation Class Limits Class Mark Class Frequency fixi2 fixi 100-199 149.5 8 178,802 1,196 200-299 249.5 11 684,752.75 2,744.5 300-399 349.5 9 1,099,352.25 3,145.5 400-499 449.5 4 808,201 1,798 500-699 549.5 2 603,900.5 1,099 700-799 749.5 1 561,750.25 749.5 nã ¥ fixi2 = 35(3,936,758.75) = 137,786,556.25 (à ¥fixi)2 = (10,732.50)2 = 115,186,556.25 s2 = 137,786,556.25 - 115,186,55... Free Essays on Frequency Distribution Free Essays on Frequency Distribution Recurrence DISTRIBUTION I. Identify the issue A haphazardly chosen gathering of understudies in a class of 35 was asked how much recompense is given to them on an every day premise. The goal is to evaluate how much the normal understudy jumps consistently, discover what number of these understudies fall inside a predefined class interim utilizing a recurrence table, and how much most of the understudies get every day. II. Data: 100 200 300 500 100 200 250 450 300 700 250 350 200 250 100 500 200 150 150 150 150 150 300 350 250 250 300 350 250 250 400 350 400 300 400 Recompenses every day of a gathering of 35 understudies learning at DLSU (in Php) III. Set-up the recurrence table Class interim: =1 + 3.322log35 =6.12  » 6 Class size: =(700 †100)/6 =100 Recurrence Table Class Limits Class Mark Class Frequency Cum. Recurrence 100-199 149.5 8 8 200-299 249.5 11 19 300-399 349.5 9 28 400-499 449.5 4 32 500-699 549.5 2 34 700-799 749.5 1 35 IV. Computations for distinct measurements Mean: =(8)(149.5) + (11)(249.5) + (9)(349.5) + (4)(449.5) + (2)(549.5) + (1)(749.5) 35 =Php 306.63 Middle: Middle class is 200-299 =200 + 100{ [ (35/2) †8 ]/11 } =Php 286.36 Mode: Php 250.00 Proportions of Variability: a. Average Deviation = (8)|49.5-306.63| + (11)|249.5-306.63| (9)|349.5-306.63| (4)|449.5-306.63| + (2)|549.5-306.63| (1)|749.5-306.63| 3771.39 = 3771.39/35 =Php 107.54 b. Variance/Standard Deviation Class Limits Class Mark Class Frequency fixi2 fixi 100-199 149.5 8 178,802 1,196 200-299 249.5 11 684,752.75 2,744.5 300-399 349.5 9 1,099,352.25 3,145.5 400-499 449.5 4 808,201 1,798 500-699 549.5 2 603,900.5 1,099 700-799 749.5 1 561,750.25 749.5 nã ¥ fixi2 = 35(3,936,758.75) = 137,786,556.25 (à ¥fixi)2 = (10,732.50)2 = 115,186,556.25 s2 = 137,786,556.25 - 115,186,55...