Question
For the variables X and Y, we collect 4 observations
with β X = 10,β Y = 14,β X2 = 30,β Y2 = 54,β XY = 31 The regression line y on x isSolution
The correct answer is D
What will come in the place of question mark (?) in the given expression?
? = (20 Γ 62 β 342 )
8 Γ 9 + ? β 6 Γ 11 = 12 Γ 8
32 × 3 (54 – 15) + 186 ÷ 3 ÷ 2 – (21)² = ?
- What will come in place of the question mark (?) in the following questions?
75%Β ofΒ 240 + 30 = ? What will come in place of the question mark (?) in the following expression?
If 1.123 Γ 3.211 = 3.122 + ______________, then the number in blank space is
Simplify the following expressions and choose the correct option.
[540 Γ· (6 Γ 3) + 7.5 Γ 4] Γ· 3 = ?
If (7a + b) : (7a - b) = 7:3, then find the value ofΒ a:b?
Simplify the following expressions and choose the correct option.
512 Γ· 2β΄ + 3Β³ Γ (5Β² β 4Β²) = ?
βAβ and βBβ invested Rs. 5000 and Rs. 4200, respectively in a business, together. After 7 months, βAβ withdrew 25% of his initial investment...