Partial preview of the text
Download Maths precise handwriting notes and more Summaries Mathematics in PDF only on Docsity!
6. Statistics — heme @®|_ "Mean 1s deroted by xk and presente tne averrode ot the aj PEERS THSS . #2, 58 | Pa ORO 54 et he. = O08) eRe Sey Ss @laMethods +o find Mean?- Hl Direct Me thod timechllo-2 |o-4 |4-6 | 6-¢ | e-10 II No.0 Student \g (2. aS beel ne 9) Assumed mean method 3- Z| = Moll ces) [800-4 064¢n-500 [500-600 [600-405 NO.OF vehicles | %o LLo 20 in| F00-Woo 40 | 3) Step —clevictHon _ Me thodlé- : [Weekly wages (RS) 1000-2000 | 2000-3000 | 800074000 _| No.of workee 25 AB 50 4000-5000 80 mame ry ||) i—- ————— oo [ omilk — centre Sold niles weber. Ses. : well ; nelow) a ustomers and nails the _medn_ mts thee milk. sn iy irect Seid = = Milk Sold (litre) ll-9 [9-3 [8-4 | 4-5. |5-¢€ = No.of Customers | Nt 1 13 | 10 a! 3 = =] class (ass. | Frequency] ff sei- == 2c 5 = de? 1.5 (7 PUSS) =— Giess| pi (3 S925 — BAS | B.5 (0 a5 = As £6) | _ a esis ie = 5G 5.5 Ss 16.5 = | “Total 3- me = yee TTL, wat lpn ne following table _ ithe tol) Cad | by dvivees *~and te pumbet. vehicles ig Shown, Find the: ee ee toll toy aasumed moan ‘ method. = me. i => __ Ieee [Class - lca A fieguency 1G di = mark oj | 4 ; = S90-40| 250 100 30 | -S000 = 400- Son A450 -A O eee Nab fe, 0 —— bob-6o0] She — loo (20 {2000 £ o- Feo] §65o 206 40 140060 ——— foo-Fooe| #50 300 & 2006 Toto wency distibuction tuble foo tne a of ofanges OF Same _-farrm owneds iam “awe | below. Find the meaa eenduictin SS _ coronges. by assumed mecin method Rroduction 26-30 [40-35 [95-4 [40-45] 5-50 8 {troussnd buppe No, Of funn Bowl os! 15 to te) Ww. iss ; je Me Ky Wages of an wo mary? find the mean ae ages. lay ‘Step deviation = Weekly 1000-2000 2000-2000 |! -_ |4000- = wages(RS) 4p0o__|5000 — ofwnrkers| 26 sae), So | 190 = : A t i” m= iiclass [Class | wiiexi-nl uicdi | frequenal mes Le (Hew Co1)) ; ) a = ooo 00d 1500 -1000 =) DS 2060-200 | 250 © A @) fe) a3) x wl Spno-4-000| 3500 10 00 ws 5O = EEMa-5000 A500 | 2oOMo0 DO) SO _ = 2. ff =\50 fi-ul al 26 B.A 6 a | an ao hes Class moar | aad. 2 =30 men mean - “ gidttaskon iS 34.0 = eae S5)idne table aiven below oaives the Gloss nas OF |60 students jin the = = ss —= =] = S\liPeethno mean oa DSi = : = = — == = = = Manl< 20 80|.30-4-0|4-0 60, 5040)60 0] 70-0190-30_- ens a Seen {5 |es [So | 33 0-100. to ina s/c a uit t MW ybople. Hind the mean of tne — Students em a | 1500-2600 | Class i Tuna) | marker) | =r; -1250] 9 | fi —lo=1n 00 “500, erm] [-2 | @ =@ \ooo 4500 | 1260-A 6 je) Bug 0) (Hoo —2000!_| $50 500 oO ig | eee ; AHO. -Banol 2500 W5o 2 ey Tot l¢f=50kFiyjiegy- xj) Tn 22 83,62, 40 42 ,48 50 emeadian = 40" [ay Tn 61,62 66 6608, to. 44, 75 2 eden Ser Tn alove, example 4-0 + Bo - 94 yv IO 830 =_ lidveene Bo | Ao+|oO6 40 +] 26 24 = = 4-0 + IFS = a —— ee Daily clistance travelled |200-204} 910-219 | 290-299 |p 29-224 dap CkKm) -249° No. of buses A 14e pre aa Given | Continuous | fr ency | Cumulative. req wens. Bo losses CH) legs than j 200-2904! 149.5-909.5| 4 A alo-219 15 919.5 \4 2 -£ 920-295 '1949.5- 999.5) IGF AS 230-2359 99.5 939-5 \6 bas [ 49/239 .5— 9 49.5 6 GO i ——= = (S04 S10 — ar (aia 3 BANG pi 4 At Find: median of the dato. Average of 6o- les -|o- | 75- |g0- |e5 - Koved of vehicles 64 |eq |4+4 | Ze Miso | 29 Ckm/ he NO. of vehicles lo 124] SS/2H J lO] G elass | @ntiqueus | freqereny Curmroulabivetrequ- Classes ey C-£4) ency: 12.9 Wan U.P 60-64 | 59.5-64-5 10 iad) J2 65-69 |64.6~-69-5 | 34 xp 4 FO=te 926 274.5) SS ° (effe! 75-79 |f4.6 -79.5| 86 1c 4 Qo -94 | 79.5-84-5| 10 194 | 24 ~R4 [24.5-995.5| 6 200 == re Nam Se SS | Miatianotass 244.5 926 _____—— = 74.5 h= 5s P=3s : Ce 99, —————— TT liengtn Cem) [2-0-2-5 BO-325 eS ~4.0 0. of Nail 5 Ba i a lain \nlplalalal non Use of lectricity le -20/20- |40- [60 - | Zo-|)00- Ms Cunit) oe 40 | 66 |20 1100 | 120 = INO. of fumilieg| IB | Gol gol oorSo | IF JT — => |Ilclass Frequency = = 10-90 ia 90 —40 50 40 -60 tO Coe eo 100 — _. | saeares Qo = Wipoleigo \4 er zs a a = - 66+ | F#eo—Fo do = 2x |00- FO~RO a - 60+ | 20 a = 200-450 | = = = (Shae BO iP = aL = = =. =. 2) wl = = [Age Jess than | 5-3 (0-14 NS =19 | 2oeBAIb -2 C¥ears\| 5 ! Novof | -s, | ao [50 | oe Ae [20 | Fotient = 
