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Kerala Plus Two(Class 12)
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Statistics
List of top Statistics Questions asked in Kerala Plus Two(Class 12)
Find the derivative of \( y = x^6 + 48x^3 + 24x - 16 \) with respect to \( x \).
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Differential Calculus
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.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Normal distribution
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.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Regression analysis
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 \( x \)?
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Regression analysis
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.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Statistical Quality Control
Write the important assumptions of ANOVA.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Analysis of variance (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.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Estimation Theory
Regression analysis is a mathematical measure of the _______ of relationship between two or more variables.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Regression analysis
The time taken by a student to reach the school is an example of _______ variable.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Random variables
The ratio of two independent chi-square variables is _______.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Random variables
X+2Y=5 and 2X+3Y=8. Find the Mean of X and Y.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Mean value theorems
Which among the following is an example of +ve correlation?
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Correlation and Regression
A good estimator should be _______.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Estimation Theory
If \( b_{xy} = - 0.3 \) and \( b_{yx} = - 0.6 \), then the value of correlation coefficient is ------------.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Correlation and Regression
Any control chart has _______ number of control limits.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Statistical Quality Control
The number of petals in a flower is an example of ----------- random variable.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Random variables
E(X) = 4 then E(X - 2) = ------------
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Random variables
The consumption of fuel and the distance covered by a vehicle is an example of ------------ correlation.
Kerala Plus Two(Class 12) - 2026
Kerala Plus Two(Class 12)
Statistics
Correlation and Regression