Question

Complete parts (a) through (c) below (a) Determine the critical value(s) for a right-tailed test of a population mean at the ?-0.05 level of significance with 10 degrees of freedom (b Determine the critical value(s) for a left-tailed test of a population mean at the ? 0 01 level of significance based on a sample size of n-15 c) Determine the critical value(s) for a two-tailed test of a population mean at the ?:0.01 level of significance based on a sample size of n-12. Click here to view the t-Distribution Area in Right Tal. (a) tcrit:I ?IL] (Round to three demal places as needed.)

Answer 1

an 2 2 2 2 2 2 2 199 222儲2 SOB 500 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 con zia 198囂2. 2 ASL ASL 2 ixa ,,,, 22 // 2 2 2 2 E 06 03 82 76 71 47 65 06 62 28 01 79 60 45 31 10 01 34 35 36 37 38 39 40 45 50 60 70 80 ” 100 500 000 eco 1 2 3 4 s 6 7 8 9 10 11 12 13 4 1 6 1 89 20 21 22 23 24 25 26 27 28 29 30 31 32

o. Here se haeo calcate t critical or right tailed test From t table teitt b) Qiuen 。< 0.01 qnd sample size 15 degrees of freedom = j4.-n-1-1 s-1-lt Hen the let tailed tett ere

C) Noo here uve have to dele rrnino critical for tuo tailed tut So there are two cnitical uauel one an le side other on right side η 12 二る.lo6 0 0OS 0.01 , 11 2 t1 another critical Ualus on le side s same mag- nitubus ith negaiue Sign.