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Statics formula sheet. It may also be the case that students sitting Mechanics and Statistics papers will need to use formulae introduced in the appropriate Pure Mathematics papers for the qualification they are sitting. STATISTICS FORMULA SHEET. Descriptive Statistics 1 i i x xx nn 2 1 2 1 1 i xi xx s xx n n y a bx ˆ y a bx.

Descriptive Statistics Part I Summary Measures Mean arithmetic average of data values Highly susceptible to extreme values outliers. σ population standard deviation. Last page of formula sheet Confidence Intervals Level of Confidence z-value z α2 70 104 75 115.

Income Tax Notes 2021 Exams Return of Income and Self-Assessment Notes. Statistical theory defines a statistic as a function of a sample where the function itself is independent of the samples distribution. MATH 2673 Calculus 3.

Statistics Formulas Statistics is a branch of mathematics which deals with numbers and data analysis. MATH 3705 Differential Equations. T x 1 x 2 s2 1 n1 1 n2 assuming unequal variances.

Please Do Not Write on This Sheet 1 2 I1 R01 2 1 2 I2 R02 2 1 2 I1 R 1 2 1 2 I2 R 2 2 I1 R1 I1 R1 1 I2 R2 2 0 I1 R1𝑖 1 I2 R2𝑖 2 1 2 I R12 1 2 I R12 1 2 I R22 I R1 R2 1 2 R I 𝛥 𝛥 R R1 I1 R2 I2 I1 I2 Chapter 9. COST ACCOUNTING IMPORTANT THEORY QUESTIONS. T x 1 x 2 s1 2 n1 s2 2 n2 degrees of freedom n1-1n2-1 Read the table of t-distribution critical values for the p-value using the calculated t-statistic and degrees of.

Differential Equations Cheat. Goes towards extreme values Mean could never be larger or smaller than maxmin value but could be the maxmin value. Basic Statics Free Body Diagram The FBD is a picture of any system for which you would like to apply mechanics equations and of all the external forces and torques which act on the system.