For the two variables X and Y, the following observations are tabulated
X: 3 4 4
Y: 2 1 2
The spearman's correlation coefficient is:
The correct answer is A
Suppose that the reliability of a COVID test is specified as follows:
Of people having COVID, 90% of the test detect the disease but 10% go und...
Which of the following statement is not true?
I.At every point of time, number of Mumbai fans was more than the number of Pune fans.
II. R...
What would have been ratio of the supporters of Mumbai and Pune at 10.00 pm initially before the new arrivals, if those 30% of the supporters came back ...
What percent of the total number of boys in Heritage School who participates in ‘Cycling’?
A football team plays 60 matches in a tournament. Where 5 points are given to a team for winning a match and 2 points are subtracted for losing every ...
In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be c...
If Russia and America keeps on buying nuclear bombs in same manner, then the number of nuclear bombs they will have in total after 50 years is?
By what percent the number of nuclear bombs that America had was less than that of Russia after 20 years?
Find the angle between the lines whose direction ratios are a, b, c and b − c, c − a, a − b.
If the cost of 3AC class ticket of train Q is Rs. 1520 for any two stations, find the total revenue earned by train Q from 3 AC coaches.
