Frequently Used Statistics Formulas and Tables
Probability of the complement of event. ( ) = 1 - ( ). Multiplication rule for *see table 7-2 (last page of formula sheet). Confidence Intervals. Level of ...
Statistics Formula Sheet and Tables 2020
AP Statistics 2020 Formulas and Tables Sheet. Page 4. Probability z. Table entry for z is the probability lying below z. Table A (Continued) z .00 .01 .02 .03.
Probability & Statistics Facts Formulae and Information
Jan 11 2023 mathcentre is a project offering students and staff free resources to support the transition from school mathematics to university.
BIOINFORMATICS MSc PROBABILITY AND STATISTICS
PROBABILITY AND STATISTICS FORMULA SHEET. SET THEORY DEFINITIONS AND RESULTS. Events E and F are mutually exclusive if E
ap-biology-equations-and-formulas-sheet.pdf
Apr 13 2019 AP® BIOLOGY EQUATIONS AND FORMULAS. Statistical Analysis and Probability. Mean. -. I n x= -I n i=I. Standard Error of the Mean. SE- =_!__. X.
Statistics Cheat Sheet
Read the table of t-distribution critical values for the p-value (probability that the sample mean was obtained by chance given μ0 is the population mean)
ap stat formula sheet
Tables for AP Statistics. Probability. N. Table entry for Z is the probability lying below Z. Table A Standard Normal Probabilities. Z .00 .01 .02 .03 .04 .05.
List MF19
List of formulae and statistical tables. Cambridge International AS & A Level FURTHER PROBABILITY & STATISTICS. Sampling and testing. Two-sample estimate of ...
Formula Sheet for Final Exam
= P(A) + P(B) − P(A and B). • Conditional probability: P(A
Important Concepts not on the AP Statistics Formula Sheet
Major Concepts in Probability. For the expected value (meanµX) and the. 2 or X. X σ σ of a probability distribution use the formula sheet. Binomial Probability.
Frequently Used Statistics Formulas and Tables
Math PRB nCr enter r. Note: textbooks and formula sheets interchange “r” and “x” for number of successes. Chapter 5. Discrete Probability Distributions:.
Statistics Formula Sheet and Tables 2020
Formulas and Tables for AP Statistics. I. Descriptive Statistics Probability and Distributions ... AP Statistics 2020 Formulas and Tables Sheet ...
Formula Sheet for Final Exam
Formula Sheet for Final Exam. Summary Statistics Conditional probability: P(A
Statistics Cheat Sheet
Read the table of t-distribution critical values for the p-value (probability that the sample mean was obtained by chance given ?0 is the population mean)
Statistics Cheat Sheet
Read the table of t-distribution critical values for the p-value (probability that the sample mean was obtained by chance given ?0 is the population mean)
Engineering Formula Sheet
Engineering Formula Sheet. Probability. Pk = n!(pk)(qn-k) k!(n-k)!. Binomial Probability (order doesn't matter). Pk = binomial probability of k successes in
ap-biology-equations-and-formulas-sheet.pdf
00762-113-CED-Biology_Appendix.indd 214. 4/13/19 6:27 PM. AP® BIOLOGY EQUATIONS AND FORMULAS. Statistical Analysis and Probability.
Important Concepts not on the AP Statistics Formula Sheet
Find the t-test statistic and p-value for the effect cry count has on IQ. of a probability distribution use the formula sheet. Binomial Probability.
TI 83/84 Calculator – The Basics of Statistical Functions
Ch Topic. Calculator. Formulas Tables
Probability Cheatsheet v2.0
Sep 4 2015 Uniform Order Statistics The jth order statistic of. i.i.d. U1
Statistics Formula Sheet and Tables 2020 - AP Central
Probability Distribution Mean Standard Deviation Discrete random variable X ; AP Statistics 2020 Formulas and Tables Sheet 14: 2)
Chance and Probability: Probability Formula Solved
i) The Law of Total Probability For disjoint events C 1;C 2;:::;C mthat partition P(A) = P(AjC 1)P(C 1) + P(AjC 2)P(C 2) + + P(AjC m)P(C m) This allows us to write a probability P(A) as a weighted sum of conditional probabil- ities Useful when the conditional probabilities are known or easy
Frequently Used Statistics Formulas and Tables
Standard deviation of a probability distribution: ? = ?[ x 2• P( x)]?µ2 Binomial Distributions =number of successes (or x) = probability of success = probability of failure =?1 p +q= 1 Binomial probability distribution (r )=nCr pr qn?r Mean: µ=np Standard deviation: ?= npq Permutation and Combination on TI 83/84
ENGINEERING PROBABILITY AND STATISTICS - University of Memphis
LAWS OF PROBABILITY Property 1 General Character of Probability The probability P(E) of an event E is a real number in the range of 0 to 1 The probability of an impossible event is 0 and that of an event certain to occur is 1 Property 2 Law of Total Probability P(A + B) = P(A) + P(B) – P(A B) where
Probability Cheatsheet v20 Thinking Conditionally Law of
Conditional ProbabilityisProbabilityP(AjB) is a probabilityfunction for any xedB Any theorem that holds for probability alsoholds for conditional probability Probability of an Intersection or Union Intersections viaConditioning P(A; B) =P(A)P(BjA)P(A; B; C) =P(A)P(BjA)P(CjA; B) Unions via Inclusion-Exclusion
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Set books The notes cover only material in the Probability I course The text-books listed below will be useful for other courses on probability and statistics You need at most one of the three textbooks listed below but you will need the statistical tables • Probability and Statistics for Engineering and the Sciences by Jay L De-
What is the equation of probability?
- The equation of probability is as follows: P (E) = Number of desirable events ÷ Total number of outcomes Using this formula let us calculate the probability of the above example. Here the desirable event is that your dice lands on a six, so there is only one desirable event.
What are worksheets in probability?
- Worksheets are Probability tree diagrams, Finding probability using tree diagrams and outcome tables, Wjec mathematics, Mathematics linear 1ma0 probability tree diagrams, Tree diagrams 70b, Tree diagrams and the fundamental counting principle, Lesson plan 2 tree diagrams and compound events, Tree diagrams probability.
How do you calculate the probability of an event?
- Probability Calculations Often, the calculation of the probability of an event involves combinatorics. We must count the number of points in the event as well as the number of points in the entire probability space. When points are equally likely, the ratio of these two counts is the probability of the event.
What is probability and statistics solved problems PDF?
- Probability and statistics solved problems pdf is prepared by expert teachers. These probability aptitude questions based on recent updates and the exact syllabus of the competitive exam. So candidates can follow these problem-solving examples with solutions to understand the concepts and questions format as per the latest exam syllabus pattern.
Frequently Used Statistics Formulas and Tables
Chapter 2
highest value - lowest valueClass Width = (increase to next integer)number classes upper limit + lower limitClass Midpoint = 2
Chapter 3
sample size population size frequencyn N f sum w weightSample mean:
Population mean:
Weighted mean:
Mean for frequency table:
highest value + lowest valueMidrange2x
xn x N wxxw fx xf 2 2 2 2Range = Highest value - Lowest value
Sample standard deviation: 1
Population standard deviation:
Sample variance:
Population variance: xx
s n x N sChapter 3
Limits for Unusual Data
Below : - 2
Above: 2
Empirical Rule
About 68%: - to
About 95%: -2 to 2
About 99.7%: -3 to 3
22Sample coefficient of variation: 100%
Population coefficient of variation: 100%
Sample standard deviation for frequency
table: ( 1)s CVx CV n fx fx snnSample z-score:
Population z-score: xx
zs x z 311 3
Interquartile Range: (IQR)
Modified Box Plot Outliers
lower limit: Q - 1.5 (IQR) upper limit: Q + 1.5 (IQR)QQ 2Chapter 4
Probability of the complement of event ( ) = 1 - ( )Multiplication rule for independent even
tsGeneral multiplication rules
( ) ( ) ( , ) AP not A P A
P A and B P A P B
P A and B P A P B given A
Addition rule for mutually exclusive events ( ) ( ) + ( )General addition rule
( ) ( ) + ( ) ( )P A and B P A P A given BPAorB PA PBP A or B P A P B P A and B !Permutation rule: ( )! nr nPnr !Combination rule: !( )! nr nCrnrPermutation and Combination on TI 83/84
n Math PRB nPr enter r n Math PRB nCr enter rNote: textbooks and formula
sheets interchange "r" and "x" for number of successesChapter 5
Discrete Probability Distributions:
22Mean of a discrete probability distribution:
Standard deviation of a probability distribution: [ ( )]x Px x PxBinomial Distributions
number of successes (or x) probability of success = probability of failure1 = 1
Binomial probability distribution
Mean:Standard deviation:
r nr nr r p q q p pqPr Cpq
np npqPoisson Distributions
2 number of successes (or ) = mean number of successes (over a given interval)Poisson probability distribution
2.71828
(over some interval) r rx e Prr e mean 3Chapter 6
Normal Distributions
Raw score:
Standard score: xz
x zMean of distribution:
Standard deviation of distribtuion:
(standard error)Standard score for :
x x x x n x xznChapter
7One Sample
Confidence Interval
/2 for proportions ( ): ( 5 and 5) (1 ) where p np nq pE p pE ppEzn rpn /2 /2 for means ( ) when is known: where for means ( ) when is unknown: where with . . 1xE xE Ezn xE xE sEtn df nChapter 7
Confidence Interval: Point estimate ± error
Point esti
mate =Upper limit + Lower limit
2Error = Upper limit - Lower limit
2 2 /2 2 /2 2 /2 means: proportions: with preliminary estimate for0.25 without preliminary estimate for z
nE z n pqpE z npESample Size for Estimating
v ariance or standard deviation: see table 7-2 (last page of formula sheet)Confidence Intervals
Level of Confidence z-value
/2 z70% 1.04
75% 1.15
80% 1.28
85% 1.44
90% 1.645
95% 1.96
98% 2.33
99% 2.58
2222
22
( 1) ( 1)for variance ( ): < with . . 1 RL ns ns df n 4
Chapter
8 OneSample
Hypothesis
Testing
2 222
for ( 5 and 5): /
where 1 ; / for ( known): for ( unknown): with . . 1 ( 1) for : with . . 1pp p np nq zpq n q pp rn x zn xtdf nsn ns df nChapter 9
Two Sample Confidence Intervals
and Tests of Hypotheses 12 ppDifference of Proportions ( )12 12 12
11 22 /2 121 1 1 2 2 2 1 12 2
12 12 12Confidence Interval:
where / ; / and 1 ; 1Hypothesis Test:
where the poolpp E pp pp E pq pq Eznn p rnp r n q pq p pp pp zpq pq nn 12 121 112 22
ed proportion is and 1 / ; /p rr p qpnn p rnp rnChapter 9
2 1Difference of means
ȝ ȝ ples)
1212 1 2 12
2212 /2 12 12
12 1 2
2212 12
Confidence Interval when and are known
whereHypothesis Test when and are known
( )( ) xx E xx E Ez nn xx z nn 1212 1 2 12
2212 /2 12 12 12 12
Confidence Interval when and are unkno
wn with . . = smaller of 1 and 1Hypothesis Test when and are unknown
xx E xx E ss Etnn dfn n xx t 12 2212 12 12 with . . smaller of 1 and 1 ss nn dfn n
Matched pairs (dependent samples)
/2Confidence Interval
where with d.f. = 1Hypothesis Test
with . . 1 d d d d dE dE sEtnn d tdf ns nTwo Sample Variances
2222
12 2 22
111
222
2 2 22
1 122
2 12
Confidence Interval for and
11Hypothesis Test Statistic: where
numerator . . 1 and denominator . . 1 rightleft ss FF ss s F sss df ndf n 5Chapter 10
Regression and Correlation
2 22 2
2Linear Correlation Coefficient (r)
OR () where z score for x and z score for y1 explained variationCoefficient of Determination: total v
xy xy n xy x yr nx x ny y zz rz zn r 2 2 01 2 0 /222 2 ariation ()Standard Error of Estimate: s2 or s 2Prediction Interval:
1where 1( )()
Sample test statistic for
with 1 2 e e e yy n y b y b xy n yE yyE nx xEt snnx x
r rt r n .. 2df n Least-Squares Line (Regression Line or Line of Best Fit) 010111 22
2 00122
note that is the y-intercept and is the slope where or ( )( ) where or ( )( ) y x y b bxbb s n xy x ybbrsnx x and y x x xybb y bxnx x 0 0 00quotesdbs_dbs11.pdfusesText_17
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