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1.0 With suitable examples, discuss the importance of scale of measurements in statistics. 2.0 The advertising expenditure per month, in dollars, at a tourism company

1.0 With suitable examples, discuss the importance of scale of measurements in statistics.

2.0 The advertising expenditure per month, in dollars, at a tourism company is given below. NO SOFTWARE OR EXCEL USE. NEED FORMULA BASED

1600 1800 2500 1500 3200 4500 6000 3200 1200 5000

Calculate the mean, median, first quartile and third quartile.

Calculate the variance and standard deviation, interquartile range and coefficient of variation.

What conclusion can you reach about advertising expenditure at this store.

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