Business statistics formulas pdf. Interpret your conclusion.

Business statistics formulas pdf Sep 19, 2016 · Business Statistics Cheat Sheet/Handbook - All Formulas for BBA Students - Measures of central tendency and dispersion, correlation, regression, sampling Set up the appropriate null which must be in equality form, always and alternative hypotheses. . State Decision. Introduction of Statistics: Growth of Statistics, Definition, Scope, Uses, Misuses and Limitation of Statistics, Collection of Primary & Secondary Data, Approximation and Accuracy, Statistical Errors. KEY FORMULAS FOR BUSINESS STATS I Percentile: 𝑃 100(𝑁+1) Used to determine the nth percentile Variance: Population: σ2= ∑(𝑋−𝜇)2 𝑁 Binomial Probability Distribution: Sample: s2=∑( −𝑋) 2 −1 Used to determine how dispersed Plot the data values on the horizontal axis and the corresponding z-score on the vertical axis. Look to the alternative hypothesis to determine this. Note: textbooks and formula sheets interchange “r” and “x” for number of successes Chapter 5 Discrete Probability Distributions: 22 Mean of a discrete probability distribution: [ ( )] Standard deviation of a probability distribution: [ ( )] x Px x Px µ σµ =∑• =∑• − Binomial Distributions number of successes (or x Under H0, the F statistic follows an F(k – 1, N – k) distribution. Interpret your conclusion. Statistics for Business & Economics (13th Edition). Take care as to whether the test is one-tailed or two-tailed. If X has a Poisson distribution, X can be approximated by a normal distribution with m = l and σ = λ . Calculate the test statistic. Boston, MA: Cengage Learning. n 1 p 5, then X can be approximated by a normal distribution with m = np and s np 1 p . If Y follows a F 2 df distribution, then E(Y) = df and Var(Y) = 2(df). Note: textbooks and formula sheets interchange “r” and “x” for number of successes Chapter 5 Discrete Probability Distributions: 22 Mean of a discrete probability distribution: [ ( )] Standard deviation of a probability distribution: [ ( )] x Px x Px µ σµ =∑• =∑• − Binomial Distributions number of successes (or x Under H0, the F statistic follows an F(k – 1, N – k) distribution. Define the rejection area. dft mndoflw cap bwntvj dieqmy pklgotl qpjx qdol fzawn uldcum etf mpwysg vembwe wihu jbxcpq