List of top Questions asked in Kerala Plus Two(Class 12)

Define the term data independence. What are the different levels of data independence?

Which of the following data structures is used for storing key-value pairs in Python?

Which of the following functions is used to read input from the user in Python?

Choose the indirection or value at operator used in C++ from the options given below.

Legal right given to the creators for an original work is

Which of the following is used for creating controls in a form in HTML?

In bivariate data following results were obtained.
Mean value of X = 53, Mean value of Y = 27, byx = -1.5, bxy = 0.2. Find the regression equation of X on Y and Y on X.

Find the derivative of \( y = x^6 + 48x^3 + 24x - 16 \) with respect to \( x \).

Write the important assumptions of ANOVA.

A random sample from a population is given below. 35, 45, 40, 42, 39, 55 and 63. Obtain the moment estimator of the population mean.

A random sample of 100 is taken from a population. The mean and standard deviation are respectively 76 and 12. Obtain a 99% confidence interval for the mean of the population.

Equations of two lines of regression are \( 2x - 5y + 33 = 0 \) and \( 3x - 9y - 108 = 0 \). Which one is the regression line of \( y \) on \( x \)?

In a distribution exactly normal, 7% of the items are under 35 and 89% are under 63. Find the mean and standard deviation of the distribution.

A good estimator should be _______.

Which among the following is an example of +ve correlation?

Regression analysis is a mathematical measure of the _______ of relationship between two or more variables.

The time taken by a student to reach the school is an example of _______ variable.

The ratio of two independent chi-square variables is _______.

X+2Y=5 and 2X+3Y=8. Find the Mean of X and Y.

If \( b_{xy} = - 0.3 \) and \( b_{yx} = - 0.6 \), then the value of correlation coefficient is ------------.

Any control chart has _______ number of control limits.

The consumption of fuel and the distance covered by a vehicle is an example of ------------ correlation.

The number of petals in a flower is an example of ----------- random variable.

E(X) = 4 then E(X - 2) = ------------