QUESTION ONE  a) A city council is studying the tourist trade. During a certain year, the mean expenditure per tourist  was ?=?550 with variance 6400. The city takes a random sample of 10 tourists and calculates  their average expenditure ?̅.   (i) What is the mean   (ii) What is the variance, and what is   (iii) Standard deviation of the distribution?

MATLAB: An Introduction with Applications
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QUESTION ONE 
a) A city council is studying the tourist trade. During a certain year, the mean expenditure per tourist 
was ?=?550 with variance 6400. The city takes a random sample of 10 tourists and calculates 
their average expenditure ?̅. 
 (i) What is the mean 
 (ii) What is the variance, and what is 
 (iii) Standard deviation of the distribution?  

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