30f 10 (2 complete) This Question: 1 pt Complete parts (a) through (c) below (a)

Question

30f 10 (2 complete) This Question: 1 pt Complete parts (a) through (c) below (a) Determine the critical value(s) for a nght-tailed test of a population mean at the 0.05 level of significance with 15 degrees of freedom (b) Determine the crit cal value(s) for a left-tailed test of a population mean at the =0.10 level of significance based on a sample size of n = 20 c) Determine the atical value(s) for a two-tailed test of a population mean at the = 0.10 level of significance based on a sample size of n 16 Click here to view the t-Distribution Area in Right Tail (a fet(Round to three decimal places as needed ) (b) tort! D(Round to three decimal places as needed.) (C) tort-LER(Round to three decimal places as needed ) on Libr Optic utor Enter your answer in each of the answer boxes Sample Tests and Quizzes

Explanation / Answer

using t-table available on-line and also available in standard text book

(a)t(0.05,15)=1.753

(b) t(0.1,20)=-1.325

(c)t(0.1/2,16)=1.746

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