Question
Non-spherical errors are related
toSolution
If the spherical errors assumption fails to hold, there are two problems with OLS.There is a better estimator available—one that is still unbiased, but is less sensitive to sampling variation (i.e., has lower standard errors). The formula we use to estimate the standard errors of OLS is invalid. Our confidence intervals and hypothesis tests will (usually) be overconfident, overstating the precision of our results.Spherical errors fails when we have either or both of: Heteroskedasticity and Autocorrelation
In the following question, select the related word from the given alternatives.
DARING: HWNEJK :: LODGES: ?
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is relat...
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
How many numbers between 1 to 50 are there, which are not only exactly divisible by 4 but also has 4 as a digit?
Select the option that is related to the third word in the same way as the second word is related to the first word.
Expand: Enlarge :: Condense: ?
New Jersey : Trenton:: Oman :?
Identify the number, which when added to itself 13 times gives 476.
If 8 x 5 = 24 and 9 x 4 = 45 then 13 x 4 = ?
Select the related number from the given alternatives:
13 : ? :: 12 : 1729
Select the option that is related to the fourth number in the same way as the first number is related to the second number.
35 : 2240 :: ? : 2187
