Bill Foster
Member of the e-learning unit. Retiring at the end of September 2016.
Bill's activity
Bill Foster commented on 2012 2013 CBA3_2 5 years, 11 months ago
Calculations are correct.
Bill Foster on 2012 2013 CBA3_2 5 years, 11 months ago
Gave some feedback: Has some problems
Bill Foster commented on 2012 2013 CBA3_2 5 years, 11 months ago
Should state in part c) that the answers are to be input to 2 decimal places.
Bill Foster on 2012 2013 CBA3_1 5 years, 11 months ago
Gave some feedback: Ready to use
Bill Foster on Expectation and variance of combinations of estimators 5 years, 11 months ago
Gave some feedback: Ready to use
Bill Foster commented on Find the expectation and variance of three estimators of the mean 5 years, 11 months ago
Calculations are correct.
Bill Foster commented on 20122013 CBA0_4 5 years, 11 months ago
Calculations are correct.
Bill Foster commented on 20122013 CBA0_4 5 years, 11 months ago
Should say in part b) input to 4 decimal places.
Display of table in statement could be tidied up.
Bill Foster on 20122013 CBA0_4 5 years, 11 months ago
Gave some feedback: Has some problems
Bill Foster commented on Unbiased estimator for exponential distribution 5 years, 11 months ago
In part a) the answer is to be input as 1/Y*(1-1/n), or (1/Y)(1-1/n). If the answer is input as 1/Y(1-1/n) then NUMBAS considers this as 1 over the function value Y(1-1/n). Is it not the case that a warning is usually given if the function is not recognised?