Problem 4 Three students use the same device to measure the density of the water in a salt lake. First student produced

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Problem 4 Three Students Use The Same Device To Measure The Density Of The Water In A Salt Lake First Student Produced 1 (227.94 KiB) Viewed 67 times

Problem 4 Three students use the same device to measure the density of the water in a salt lake. First student produced 7 measurements and have got x) =1.19, Sa) = 0.12. Second student produced 5 measurements and have got à 2) = 1.14, his record on sample variance were lost. The third one produced 10 measurements and have got $(3) = 0.10, his record on sample mean were lost. (a) Suggest the 95% confidence interval for the water density using all available information. (b) Formulate the assumptions you have made. 2