hypothesis test business statistics business communication arr (accounting rate of return dpb (discounted payback period pb (payback period) pi (profitability index) irr (internal rate of return) npv (net present value) investment decisions capital budgeting methods capital budgeting two-sample proportion z-test two-sample z-test two-sample t-test business analytics proportion z test one sample z-test one sample t-test one-sample test statistics business anaytics confidence interval efficient market hypothesis market efficiency commuinication flow business correspondence oral communication written communication communication bond valuation bond flexible budget budget anova test business forecasting chi-square test discrete distribution normal distribution
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