1000 PYQ Series | Part XI | UGC NET 2023 | Commerce | Management | Business Statistics

[@Isannt]

1:22:11 Parametric = student t test (unpaired one sample , paired two group), z test (unpaired one sample, independent two sample), welch t test, one way anova (f test), chi sq (Inference about population variance) Non parametric = mann Whitney u test, wilcoxon rank test, kuskal wallis h test, friedman test, kolmogorov simrov test, mc nemar test, chi sq (independence of attribute, goodness of fit, homogeneity)

[@Isannt]

1:33:43 df Independence of attribute and test of homogeneity non Parametric (contingency table) r-1 × c-1 goodness of fit chi sq non Parametric Uniform n-1 Binomial n-1 Poisson n-2 Normal n-3 Two way anova non Parametric SSC c-1 SSR r-1 SSE (c-1)(r-1) SST n-1 or N-1 or c.r-1 One way anova Parametric Within k-1 numerator Between n-k denominator F distribution Numerator v1 = n1-1 Denominator v2 = n2-1

[@Isannt]

1:20:37 H0 = true = reject = type 1 err (alpha risk; P=alpha) = false negative H0 = true = accept = correct decision (1-alpha; P>=alpha) = level of confidence = true negative H0 = false = reject = correct decision (1-beta; P

[@Isannt]

1:01:57 AM>GM>HM AM×HM=GM²

[@Isannt]

13:11 Mean and median are dependent of change in origin and scale Correlation is independent of change in origin and scale Dispersion regression and standard deviation are independent of change in origin and dependent of change in scale QD:MD:SD 10:12:15

[@gunjanyadav9282]

Thankyou sir🎉

[@Uzmimaan]

Thank uh so much both of uh❤

[@Isannt]

9:13 Mode = Mean - 3 (Mean - Median) Mode = 3 Median - 2 Mean Median = 2 + 2/3 (Mean - Mode) Mean - Median = 1/3 (Mean - Mode) Mean - Mode = 3 (Mean - Median) Median = (2 Mean + Mode) / 3 3 Median = 2 Mean + Mode Median = 1/3 (2Mean - Mode) Mean = 1/2 (3Median - Mode)

[@shashimaurya1759]

plz provide pdf o telegram

[@unknown-bu9zg]

Not satisfactory classes because I don't know the basics of statistics this is caused to problem in this class