Question

1. A sample of peanut milk is analyzed and the percent protein extracted from the peanut milk samples given below are 78.2 91.2 86.2 76.3 77.1 71.3 84.5 80.9 87.8 82.1 75.7 89.3 89.4 64.8 81.6 72.5 Will this data support a claim that the mean percent protein extracted exceed 80 percent? (Use confidence level of 95%)

Answer 1

Let x- Percent Protein extactd from the Peauut milk Given n Number of sampes 16 mean of Sample = 0 912 t 16 percent 80. 56 +(6-2 Cx-2-) 15 of sample deviation 7.44 standard percent 80 The hypothesis of this Problem Percent 80 percent Н: u> 80 Ho taste statistic The 80.56 80 8N 1 6

o 5 G 74 7 44 o 30 d o o5 hen toble 2 3 O O6 5 Decision Rule tcol table 2.3 T teal 7 ta then we efethe nul hyeohess peoblem tearte hence bu tcoi acept Ho Concue hel, Ihe mean Canclusion Hence e Peecent peolein exteached feom peanul pecent milk is nof exceed