Review of the ‘Introduction of hypothesis testing: z test”

How to find out critical t value? – Table B. Decide if it is a one-tailed test or two-tailed test. Decide the level of significance (Calculate . degree of freedom (df) by: df = n –1, in which: n – sample size. Look for critical t values in Table B. P-value – degree of rarity of a test result, given that the null hypothesis is true. ................
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