The standard normal distribution:
Correct Answer: image_question
Description: Normal Distribution: Is also known as &;Gaussian distribution&; or &;Standard distribution&; Type of distribution: Is the distribution of values of a quantitative variable such that they are symmetric with respect to a middle value with same mean, median and mode, and then the frequencies taper off rapidly and symmetrically on both sides- &;bell shaped distribution&; Fig: Normal curve showing distribution of values Normal or Gaussian curve Is &;bilaterally symmetrical and bell-shaped Is based on Mean and standard detion Mean, Median and Mode coincide (Mean=Median=Mode) Has mean (m ) = 0 and SD(s) = 1 Mean +- 1SD (m +-1s) covers 68% values Mean +- 2SD (m +-2s) covers 95% values Mean +- 3SD (m +-3s) Covers 99% values In a normal distribution, 50% values lie above mean & 50 % below mean. Ref: Park 25th edition Pgno: 912
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now