r (se the )inary erformance +etrics preadsheet definitions to answer the following uestion. >ow does changing the data in cell : from a 0 to a 1 change the cost-minimi=ing threshold" ecreases it from 5# to 50 x ecreases it from 5# to 2 x ecreases it from 5# to . *hange the cost per F' to #0 million pounds. )inary erformance +etrics.xlsx %n general, increasing the cost per F' whileĬause the cost-minimi=ing threshold score to& ecreaseĪssuming the costs for classification errors are # million pounds per F' and million pounds per F, how much does changing the value at *ell : from 0 to 1 change the minimum cost per event" %ncreases !y # million pounds. (se logic and the definition in the )inary erformance +etrics preadsheet to answer the following uestion. %f, instead of assuming a cost 41#,000 per F' and 4100 per F, the costs are assumed to !e 45,#00 per F' and 4#0 per F, what changes" /he minimum cost threshold of 1,#1.9:0 /he minimum *ost per /est r What is the minimum average cost per test" 41.00 x 42#9,600 x 41,#1 x
(se + olver to determine the maximum cost per False 'egative test that permits an average cost per test of 4100.
*ancer iagnosis.xlsx 3eep the cost per False ositive test set at 4#00. (se the *ancer iagnosis preadsheet to answer uestions to . (se the )inary *lassification +etrics preadsheet efinitions to answer the following& %f the the �classification classification incidencetest incidencetest incidence incidence� is 10$ for the the whole whole populatio population, n, and the the true true � condition condition incidence incidence� is 12$ for the the whole whole populatio population, n, the the /rue /rue ositive rate& cannot !e 100$ %f a fire alarm malfunctions and fails to go off when there actually is a fire, that is a& False 'egative What would the False ositive rate !e" 12.#$ 20 people people tested were actually intoxicated, and 10 people were mis-classified as intoxicated. A test test for � driving while intoxicated intoxicated� was given given 100 times.
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