nơ. Calculate a 95% confidence interval for µ for each of the following situations: 120, a = 99.2, s = 2.12 110, a = 72.1, s = 4.26 85, I = 71.7, s 3.62 85. 7 = 73.4. 2.14 VI VI VI VI

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A random sample of n measurements was selected from a population with unknown mean µ and standard
deviation o. Calculate a 95% confidence interval for u for each of the following situations:
(а) п
120, a = 99.2, s = 2.12
110, a = 72.1,
4.26
85, a = 71.7, s
3.62
(d) - n = 85, 7 = 73.4,
2.14
Transcribed Image Text:A random sample of n measurements was selected from a population with unknown mean µ and standard deviation o. Calculate a 95% confidence interval for u for each of the following situations: (а) п 120, a = 99.2, s = 2.12 110, a = 72.1, 4.26 85, a = 71.7, s 3.62 (d) - n = 85, 7 = 73.4, 2.14
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