« previous next »

Author Question: A manufacturer evaluates a new pregnancy test. The manufacturer enlists 500 study subjects, 190 ... (Read 89 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Aug 10, 2018
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.


hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Aug 10, 2018
Answer to Question 1

Ans: C

Answer to Question 2

Ans: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Aug 10, 2018
Both answers were spot on, thank you once again


hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Aug 10, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Triceps Reflex Test Triceps Reflex Test
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ... Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ...
Data for a Hypothetical Paternity Test Using 13 CODIS Genes Data for a Hypothetical Paternity Test Using 13 CODIS Genes
Test of Yanofsky’s Proposed trp Operon Gene Order Test of Yanofsky’s Proposed trp Operon Gene Order
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library