A manufacturer evaluates a new pregnancy test. The manufacturer enlists 500 study subjects, 190 pregnant females (of whom 150 had a positive test) and 310 nonpregnant females (of whom 296 had a negative test).
Positive Test
Negative Test
Pregnant
150
40
Non-Pregnant
14
296
Calculate the predictive value for a positive test.
A) 79
B) 88
C) 91
D) 95
Question 2
All of the following are true statements about nonparametric methods of normal range determination EXCEPT:
A) Nonparametric methods require a larger number of samples to estimate the normal range with accuracy than do parametric methods.
B) Outlying values influence the normal range more than for parametric methods.
C) A Gaussian distribution is required to utilize the nonparametric approach.
D) The nonparametric approach makes no assumption as to distribution.
Rinne Test, Assessing Air Conduction
Performing a Urine Pregnancy Test Using the Enzyme Immunoassay Method
How many pounds of yeast must the manufacturer start with to obtain 550 lb at the end of 12 h?
Phalen’s test
Postural changes with pregnancy in 36 weeks
Correlations between scores on a psychology test and number of boiled kumquats eaten per month