Question
In a party, every couple has at least one child (all
minors) with them and there are 12 couples. Which one of the following inferences would be possible?Solution
12 couples = 24 people and every couple has least one child. Minimum = 12 children. Total = 24 = 12 = 36 people There are minimum 36 people in the party.
If each observation is halved then the coefficient of quartile deviation
Fundamental principles of design of experiment are
(I) Randomization
(II) Replication
(III) Local control
Which option is correct?
Β X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
The memory-less property is followed by which of the following continuous distribution:
Which one is not non-probability sample method
A random sample of size 225 is drawn from the population of mean ΞΌ and standard deviation Ο. The sample mean follows the distribution with mean 100 a...
Let (Xi, I β₯ 1} be independent and identically distributed random variables with P(Xi =1) = p = 1-P(Xi = 0), Sn = βni = 1 X i . The dist...
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 regressio...
Let MSA defines mean sum of squares due to factor A and MSE defines mean sum of squares due to error. If the null hypothesis of ANOVA for one way class...
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
Relevant for Exams:
