Related Questions

Which of the following statements relating to correlation and reegression are true?
1. The coefficient of correlation is independent of change of origin and scale
2. The coefficient of correlation between the two variables is the arithmetic average of the two regression coefficients
3. The probable error of the coefficient correlation is 0.6745 times of its standard error
4. Coefficient of correlation multiplied by the ratio between the standard deviations of the two variables denotes the slope of the regression line
Select the correct answer:
Consider the Atomic Packing Factor (APF) of the following crystal structures:
P. Simple cubic
Q. Body centred cubic
R. Face centred cubic
T. Hexagonal close packed
Which two of the above structures have equal APF?
A cubic material is made by melting three smaller cubic materials of sides 6, 8, and 10 cm. The total surface area of new cubic material so formed is what percent of the total surface areas of all small cubic materials?
Which of the following statements are true? a. The correlation coefficient is dependent on the choice of both origin and scale observations. b. The correlation coefficient is dependent on the units of measurements. c. The coefficient of correlation is the square root of the coefficient of determination. d. The zero value of the correlation coefficient cannot estimate the value of the dependent variable.
What is the correlation factor of a body centered cubic crystal structure?
The effective number of lattice points in the unit cell of simple cubic, body centered cubic, and face centered cubic space lattices, respectively, are
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 6g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 16.67g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 2g/m3 Area of crystal A= 10m2