Question
In a bivariate regression equation of Y on X consisting
of 20 observations, the explained and unexplained variations are 40 and 60 respectively. Calculate the standard error for the same.Solution
The volume of cone is 1617 cm3. If its height is 3.5 cm then find the radius of the cone.
A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 ft, and the sum of the lengths of the...
A rectangular tank has a length of 12 m, width of 10 m, and height of 8 m. It is filled with water up to 60% of its capacity. A cylindrical pipe with ra...
An agricultural field is in the form of rectangle having length X1 meters and breadth X2 meters. (X1 and X2 are variables). If X1 + X2 = 40 meters, then...
If the radius of the base and the height of a right circular cone are increased by 10%, what is the approximate percentage increase in volume?
The common ratio of a geometric sequence is 3 and the 4th term is 9. What is the first term of the sequence?
- What is the surface area of a sphere if its volume is 4,851 cm³?
A right circular cylinder having total surface area of 2710.4 cm2 is immersed in a vessel completely filled with water. If the height of the ...
The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
The amount of concrete required to build a concrete cylindrical pillar whose base has a perimeter 8.8 metre and curved surface area 17.6 sq. metre, is (...
