List three issues that show up when the pictures drawn by young children, of the world around them, are analysed. What are the reasons behind these issues?
See Answer →List three problems that preschoolers often face when reading pictures. What could the reasons be for these problems?
See Answer →List three spatial abilities that the usual Class 1 child has. For any of these abilities, outline a series of three activities you would use to assess the extent to which a child has acquired the spatial ability. Also explain how the activities form a series.
See Answer →Explain the difference between conceptual and procedural knowledge, through an example related to the addition of negative numbers.
See Answer →Explain the difference between a scheme and a schema, using an example related to measuring angles. Also explain, through your example, how elaboration, assimilation and accommodation take place in a scheme and in a schema.
See Answer →Give a constructivist strategy, in detail, to introduce a Class 5 child to the concept of a variable. At each stage outline the kind of activities you would use, and the series of activities you would use. Especially clarify your assessment and evaluation strategies.
See Answer →i) Each of us handles data.
ii) The probability of it raining in Kochi on June 5th, 2021 is .
iii) If a child correctly divides 39 by 3, it shows that she knows division.
iv) 25, written in base 10, is 150, written in base 6.
v) The product of any two non-zero integers is greater than or equal to each of these integers.
See Answer →Let Z = f(x,y) = 3x3 -5y2 -225x + 70y + 23.
(i) Find the stationary points of z.
(ii) Determine if at these points the function is at a relative maximum, relative minimum, infixion point, or saddle point.
See Answer →Find the mean and variance of binomial distribution.
See Answer →For a distribution, the mean is 10, variance is 16, the skewness sk4 is +1 and kurtosis b2 is 4. Obtain the first four moments about the origin i.e. zero. Comment upon the nature of the distribution.
See Answer →An individual consumer consumes two commodities X1 & X2. The utility function is
The price of commodity one is P1 = Rs.3.00, the price of commodity two is P2 = Rs.4.00, the individual’s income per period is Rs.108. Determine the utility maximizing level of X1 & X2 and derive the demand curves for the two commodities.
See Answer →For the given distribution:
find moment generating function, mean and variance of X.
See Answer →Let X be a binomial variate with n =100, p = .1.0 Find the approximate value of P (10 ≤ X ≤12) using:
(i) normal distribution
(ii)poisson distribution
[You may like to use the following values.
P(Z ≤ 67.0 ) = .0 7486, P(Z ≤ 0.33 ) = .0 6293, P(Z ≤ 0 ) = ]5.0
See Answer →Consider the following two matrices
(i) Find the rank of ‘A’ and ‘B’
(ii) Show that (AB)-1 = B-1 A -1
(iii) Show that (A-1 ) -1 = A
(iv) Show that (B -1 ) -1 = B
See Answer →For 25 army personnels, line of regression of weight of kidneys (Y) on weight of heart (x) is Y = .0 399X + .6 934 and the line of regression of weight of heart on weight of kidney is X − .1 212Y + .2 461= .0 Find the correlation coefficient between X and Y and their mean values.
See Answer →Let X1, X2,,,,,,, Xn , , , be independently and identically distributed b ,(1,p) random variables. Obtain a confidence internal for p using Chebychev’s inequality.
See Answer →Let X1, X2 .....Xn be random sample of size n from a distribution with probability density function
How does Law and Order condition affect Human Trafficking? Give examples
See Answer →How does Law and Order condition affect Human Trafficking? Give examples
See Answer →What are the different destination areas in India for Human Trafficking?
See Answer →