Algebra va analiz asoslari

Mashqlar

23. 
    Ma’lumotlar qatorlarining modasini, medianasini va o‘rta qiymatini toping.
    

a) 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9;
b) 10, 12, 12, 15, 15, 16, 16, 17, 18, 18, 18, 18, 19, 20, 21;
c) 22,4, 24,6, 21,8, 26,4, 24,9, 25,0, 23,5, 26,1, 25,3, 29,5, 23,5.

23. 
    Ma’lumotlar qatorlari berilgan bo‘lsin:
    

A: 3, 4, 4, 5, 6, 6, 7, 7, 7, 8, 8, 9, 10;
B: 3, 4, 4, 5, 6, 6, 7, 7, 7, 8, 8, 9, 15.

1. 
   Ularning o‘rta qiymatlarini toping.
   
2. 
   Ularning medianalarini toping.
   

d) Nega A qatorning o‘rta qiymati B qatorning o‘rta qiymatidan kichik?
c) Nega A qatorning medianasi B qatorning medianasiga teng?

23. 
    Ikki nafar sportchi musobaqada quyidagi natijalarni ko‘rsatdi: 160, 175, 142, 137, 151, 144, 169, 182, 175, 155;
    

157, 181, 164, 142, 195, 188, 150, 147, 168, 148.

Ularning qaysi biri o‘rtacha hisobda yuqoriroq natijaga erishdi?

23. 
    Olim 15 kun davomida har kuni necha dona olma yeganini yozib
    

bordi: 2, 3, 1, 1, 0, 0, 4, 3, 0, 1, 2, 3, 2, 1, 4. Shu qatorning:
a) moda; b) o‘rta qiymat; c) medianasini toping.

23. 
    Maktab basketbol jamoasi 4 ta o‘yinda savatga 43, 55, 41 va 37 ta ochkoli to‘p tushirdi (ochkoga ega bo‘ldi).
    

1. 
   Shu to‘rt o‘yinda savatga o‘rtacha necha ochkoli to‘p tushirildi?
   
2. 
   O‘rtacha ochkolar soni saqlanishi uchun keyingi, beshinchi o‘yinda savatga necha ochkoli to‘p tushirilishi kerak?
   
3. 
   Beshinchi o‘yinda savatga 25 ochkoli to‘p tushirilgan bo‘lsa, besh
   

o‘yinda o‘rtacha ochkolar soni nechaga teng bo‘ladi?

4. 
   Jamoa 6 – o‘yinda savatga 41 ochkoli to‘p tushirdi. O‘rtacha ochkolar soni qanday o‘zgaradi? 6 ta o‘yinda o‘rtacha ochkolar soni nechaga teng bo‘ladi?