A sample of readings from a normal population with unknown mean () and unknown variance
2gave the following data:
X 17.4 17.5 17.6 17.7 17.8
F 12 16 19 23 10
A second sample of readings taken from the same population gave 2=72, Σ = 1267.2, Σ2=22536. Combine the two samples to give estimate of and 2.
Answers
Answered by
0
Answer:
Sorry I don't know
okkkkkkkkkkkkkkkkkkkkk
Similar questions