Ehtimоllar nazariyasi va matematik statistika


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N 55. Fan bobi – 1, Fan bo‘limi – 3, Qiyinchilik darajasi 1.



Qaysi javobda korrelyatsiya koeffitsiyentining ifodasi to’g’ri ko’rsatilgan?









N 56. Fan bobi – 1, Fan bo‘limi – 3, Qiyinchilik darajasi 2.



Agar bo’lsa, DYning qiymatini toping.








N 57. Fan bobi – 1, Fan bo‘limi – 3, Qiyinchilik darajasi 2.



Agar bo’lsa, MY ning qiymatini toping








N 58. Fan bobi – 1, Fan bo‘limi – 3, Qiyinchilik darajasi 1.



Agar bo’lsa, larni toping.









N 59. Fan bobi – 1, Fan bo‘limi – 1, Qiyinchilik darajasi 2.

Agar bo’lsa,ni toping

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