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't' เดŽเดจเตเดจ static , เดŽเดจเตเดจ ๐šน เดŽเดจเตเดจ population parameter เดจเตเดŸเต† unbiased estimator เด†เดฃเต†เด™เตเด•เดฟเตฝ

AE(t)=๐šน

BE(tยฒ)=๐šน

CV(t)=๐šน

Dเด‡เดตเดฏเตŠเดจเตเดจเตเดฎเดฒเตเดฒ

Answer:

A. E(t)=๐šน


Related Questions:

Determine the ratio of the number of students who play Football to the number of students who play Basketball in a survey of 120 students from the following table:

Category

Number

Play Football and Basketball

25

Play Football but not Basketball

45

Play Basketball but not Football

35

Play neither sport

15

The marked price of a folding bed is โ‚น18,000. Aman bought it after two successive discount of 15% and 10%. He spent โ‚น830 on transportation and sold it for โ‚น18,440. Find his profit.
เดจเต†เด—เดฑเตเดฑเต€เดตเต เดธเตโ€Œเด•เตเดฏเต‚เดŸเต เดกเดฟเดธเตเดŸเตเดฐเดฟเดฌเต‚เดทเดจเดฟเตฝ
The students in a class can be divided into groups of 2, 3, 5 and 6. What is the least number of children this class can have?
เดคเดพเดดเต† เดคเดจเตเดจเดฟเดฐเดฟเด•เตเด•เตเดจเตเดจ เดธเด‚เด–เตเดฏเด•เดณเตเดŸเต† เดฎเต€เดกเดฟเดฏเตป เด•เดพเดฃเตเด• : 4.20, 6.42, 3.16, 4.60, 2.12, 5.21