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d0minicz:
Hey guys need some help with this subject

Let
Consider the following estimates:
, , ,

Thus
a) Assuming that and are normal and independent, use the figures above to obtain an estimate of , the standard error of . Show your working.

b) Show that your estimate of is consistent with the 95% confidence interval for , namely (-2.38,-0.62)

Hints/Formulas/Tips would be great, thanks =]

d0minicz:
sorry for bumping but myself and another vcenotes member desperately need help with this...
thanks

Ahmad:
You need more information (sample sizes).

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