Each of 8 samples has a different standard deviation . How many of the 8 samples could be from the same population ?
2 answers:
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Answer:
u ≈ 5.7
Step-by-step explanation:
Using the Sine rule in Δ TUV, that is
=
, substitute values
=
( cross- multiply )
u × sin26° = 2.5 × sin85° ( divide both sides by sin26° )
u = ≈ 5.7 ( to 1 dec. place )