Mavzu: O’rta qiymat. Moda. Mediana

08.04.2021-YIL

• MAVZU: O’RTA QIYMAT. MODA. MEDIANA.

1-MASALA.

• Xo’jalik 100 ga yerga chigit ekib ma’lum bir nav paxtadan gektar boshiga 33 sr dan hosil ko’tardi.50 ga boshqa yerga ekilgan o’sha nav paxtadan esa 30 sr dan hosil oldi. Xo’jalik 1 ga yerdan o’rtacha qancha hosil olgan?

2-MASALA

• Sportchi balandlikka 7 marta sakradi va shunday natijalarni ko’rsatdi (metr hisobida):
• 2,1; 1,97; 2,44; 1,85; 1,97; 1,96; 2,06.
• Sportchi o’rtacha necha metr balandlikka sakragan?

3-MASALA

• Maktab hamshirasi 8-sinf o’quvchilaridan 10 nafarining bo’yini o’lchab, quyidagi natijalarni oldi (santimetr hisobida):
• 166, 168,170, 165, 164, 168, 169, 163, 168, 162.
• Tanlamada qaysi varianta eng ko’p takrorlangan?

4-MASALA

• Alining “algebra” fanidan jurnaldagi baholari :
• 3, 3, 4, 4, 4, 5, 5.
• Shu tanlanmaning modasi va o’rta qiymatini toping?

5-MASALA

• Ushbu variatsion qatorning medianasini toping.
• 20, 23, 24, 27, 29, 31, 34

6-MASALA

• Ushbu variatsion qatorda 8 ta had bor, uning medianasini va tanlanmaning kengligini toping.
• 12, 14, 17, 21, 23, 29, 32, 37