2.1 Taking cafidence loved 90% =1-0.90=01 2.) Sample men (x) = {xi = 563 = (62.56) Sample standard deviation (Sx) = L $11-x) b.) Sample mean n-l 11.62 85.5 9.5 9 Ty) = Eyi Sy= Elyi-) = 1.73 h-l C) 90% confidence intensl = xT, + (dflxs 1--0.95 VA df=9-1-8 2df=8 To 95 (8)=1.86 CI= 62.56 1.86 x 11.62 - T55.36, 69.76 vy st Coast University Signature Assignment - Page 2 of 2 (CLO 2) Test a claim that the mean height of your population is different from 64 inches. Use the appropriat significance level a you fixed earlier. a. State the initial and alternative hypothesis. b. Find the test statistic and the P-value. You can use StatCrunch, Microsoft Excel, or any other statistical tool to write the statistic and then substitute your appropriate numbers. c. Draw a conclusion in context of the situation. Your conclusion should include both the formal language as well as an informal explanation. d.) 90% CI for stee size of population To-9181=1.86 Tdfx Th 1.36 x 1.73=1.5 1.07 (CLO 3) Find a correlation between height and shoe size. a. Create a scatterplot of the data. Height is x-axis and Shoe size is v-axis. Attach your scatterplot to the end