Luminous intensity is a measure of the wavelength –weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit.
Which of the following options is INCORRECT?
For the ANOVA which option is wro1ng?
For the variables X and Y, we collect 4 observations with ∑ X = 10,∑ Y = 14,∑ X2 = 30,∑ Y2 = 54,∑ XY = 31 The regressio...
If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
For a group of 100 students, the mean and standard deviation of scores were found to be 30 and 5 respectively. Later on it was discovered that the scor...
The arithmetic mean of the following frequency distribution of number of members in family in the society
X: ...
Recession in industry is associated with the:
A dice was thrown 400 times and 'six' resulted 80 times. The data is used to justify the hypothesis of an unbiased dice at 95% confidence. With referen...
