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anonymous
 one year ago
A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard deviation of 45,000. What is the zscore corresponding to 1.500 million units
anonymous
 one year ago
A data research company finds that monthly sales of hard disks in California is 1.445 million units on average with a standard deviation of 45,000. What is the zscore corresponding to 1.500 million units

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@rational This one seems easy as well but again I cant get it. I just dont seem to be good at this whole zunits thing

rational
 one year ago
Best ResponseYou've already chosen the best response.145,000 = 0.045 million

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1zscore formula: zscore = (given data value  mean)/standard deviation

rational
 one year ago
Best ResponseYou've already chosen the best response.1mean = 1.445 standard deviation = 0.045 given data value = 1.5 plug them in the zscore formula given by Vocaloid

rational
 one year ago
Best ResponseYou've already chosen the best response.1doesn't look correct try again

rational
 one year ago
Best ResponseYou've already chosen the best response.1zscore = (given data value  mean)/standard deviation = (1.5  1.445)/0.045 = ?
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