LEC 12 - NORMAL CURVE&PROB

LEC 12 - NORMAL CURVE&PROB - SHOWTIME! STATISTICAL...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
SHOWTIME!
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
STATISTICAL TOOLS FOR EVALUATION THE NORMAL CURVE AND PROBABILITY
Background image of page 2
THE NORMAL CURVE SMOOTH, BILATERALLY SYMMETRICAL CURVE CENTERED AROUND A POINT THAT IS SIMULTANEOUSLY THE MODE, MEDIAN, AND MEAN HENCE, THE CENTER POINT IS BOTH THE MOST FREQUENT SCORE AND THE SCORE BELOW AND ABOVE WHICH HALF THE SCORES FALL
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
THE NORMAL CURVE THE NORMAL CURVE HAS A MEAN = 0 AND A STANDARD DEVIATION = 1 THE NORMAL CURVE IS THE GRAPH OF AN INFINITE NUMBER OF Z- SCORES TO USE THE NORMAL CURVE TO MAKE PROBABILITY STATEMENTS, THINK OF THE AREA UNDER THE CURVE AS 100 EQUAL PORTIONS 50 LIE ON EACH SIDE OF THE MEAN
Background image of page 4
THE NORMAL CURVE AND PROBABILITY
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
THE NORMAL CURVE AND PROBABILITY WHAT IS THE PROBABILITY OF A Z SCORE EQUAL TO OR GREATER THAN 0? P (Z > 0 ) = 50 / 100 = 1/2 OR 50%
Background image of page 6
THE NORMAL CURVE AND PROBABILITY WHAT PERCENTAGE OF THE AREA UNDER THE NORMAL CURVE LIES BETWEEN O (Z = 0) AND 1.36 (Z = 1.36)?
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
THE NORMAL CURVE AND PROBABILITY
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 21

LEC 12 - NORMAL CURVE&PROB - SHOWTIME! STATISTICAL...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online