The arithmetic mean of the observations 95, 45, 85, 45, 51, 85, 84, 66 and 47 is:
The arithmetic mean of the observations 95, 45, 85, 45, 51, 85, 84, 66 and 47 is:
प्रेक्षणों 95, 45, 85, 45, 51, 85, 84, 66 और 47 का समांतर माध्य ज्ञात कीजिए।
Detailed Solution & Logic
Correct Answer:
67
समाधान:
चरण 1: सभी observations को जोड़ें
$95 + 45 + 85 + 45 + 51 + 85 + 84 + 66 + 47$
Step by step जोड़ते हैं:
-
95 + 45 = 140
-
140 + 85 = 225
-
225 + 45 = 270
-
270 + 51 = 321
-
321 + 85 = 406
-
406 + 84 = 490
-
490 + 66 = 556
-
556 + 47 = 603
कुल योग = 603
चरण 2: observations की संख्या निकालें
कुल observations = 9
चरण 3: arithmetic mean निकालें
$\text{Mean} = \frac{603}{9} = 67$
Similar Practice Questions
A shopkeeper bought 100 pens at Rs 10 each. He sold 60 pens at 20% profit and the rest at 10% loss.
A shopkeeper bought 100 pens at Rs 10 each. He sold 60 pens at 20%...
If the cost price of a camera is 75%
If the cost price of a camera is 75% of its selling price, then the...
A seller offers a combo deal: “Buy 3 shirts for the price of 2”. If each shirt costs him Rs.300, what is the effective loss percentage?
A seller offers a combo deal: “Buy 3 shirts for the price of 2”. If...
A sphere is inscribed inside a cube. The volume of the cube is 1728 $\text{cm}^3$ . What is the total surface area of the sphere?
A sphere is inscribed inside a cube. The volume of the cube is 1728 $\text{cm}^3$...
Find the average of odd numbers from 1 to 43.
Find the average of odd numbers from 1 to 43. 1 से 43 तक विषम...
A cylindrical tank has a capacity of 4774 \(m^3\). If the radius of the base is 7 m, what is the depth?
A cylindrical tank has a capacity of 4774 \(m^3\). If the radius of the base...
A shopkeeper marks his goods 50% above the cost price. He sells the goods at a discount of 12%. What is his profit percentage?
A shopkeeper marks his goods 50% above the cost price. He sells the goods at...