Question
What is sum product of the error an independent variable
in OLS estimationSolution
The time taken by Boat 'X' to travel a distance of '2a' km upstream is the same as the time it takes to travel '3a' km downstream. Similarly, the time t...
From a point on the ground, the angle of elevation to the top of a building is 30 degrees. If the distance between the point and the base of the buildin...
The ratio of Pawan's income to Qureshi's income is 6:5. Pawan spends 75% of his income, while Qureshi saves 24% of his income. What percentage of Pawan'...
A person deposits ₹12,000 in a bank offering a 5% interest rate compounded annually. After 2 years, how much interest will he have earned?
'P' sold an item at a profit of 40%. If the cost price of the item had been Rs. 150 less and its selling price had been Rs. 30 mo...
Let A={1,2,3}, and B={x ∈ Z ∣ 1≤x≤4}. The total number of injective functions from A to B is:
A person, 'Q', uses 40% of their monthly income on food and then spends 60% of what is left on rent. After covering these expense...
If 5m = 3125, then find the value of 4(m-3)
In an election, 75% of the voters cast their votes. A candidate received 60% of the total votes cast and won by a majority of 300 votes. Find the total ...
If cos A = 4/5 and A is an acute angle, find the value of 3 tan A + 4 sec A.
