Question

STATISTICS. CONFIDENCE REGIONS.

The following values ​​of a certain magnitude have been measured : 521, 742, 593, 635, 788, 717, 606, 639, 666, 624.

Assuming that this magnitude is distributed according to a normal and for a level of 95%, it is requested the confidence interval for the variance.

Thank you for your explanations.

Answer 1

Let (xi,7 and σ 분,h-1 .inuse a n fhe Tveirn

Hery 0.05 and o 2 19 02 罟,h-1- "o.ar;ら 55004.9 5500 4 9.02 20342-1 (2831,35ノ