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QUESTION ONE (A) A random sample of 10 hot drinks from Dispenser A had a mean volume of 203ml and a standard deviation o
Posted: Wed Dec 08, 2021 5:00 am
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- Question One A A Random Sample Of 10 Hot Drinks From Dispenser A Had A Mean Volume Of 203ml And A Standard Deviation O 1 (37.95 KiB) Viewed 73 times
QUESTION ONE (A) A random sample of 10 hot drinks from Dispenser A had a mean volume of 203ml and a standard deviation of 3ml. A random sample of 15 hot drinks from Dispenser B gave corresponding values of 206ml and 5ml. The amount dispensed by each machine maybe assumed to be normally distributed. Test at the 5% significance level, the hypothesis that there is no difference in the variability of the volume dispensed by the two machines. (10 Marks) (B) Give two limitations of a Chi-square test. [2 marks]