CYU: 2-sample t test How quickly do synthetic fabrics such as polyester decay in landlls? A researcher buried polyester strips in the 50\" for different lengths of time, then dug up the strips and measured the force required to break them. Breaking strength is easy to measure and is a good indicator of decay. Lower strength means the fabric has decayed more. For one part of the study, the researcher buried 10 strips of polyester fabric in well-drained soil in the summer. The strips were randomly assigned to two groups: 5 of them were buried for 2 weeks and the other 5 were buried for 16 weeks. Here are the breaking strengths in pounds: m1 Rush) 1111 12s 12s 1211 129 WNW\" 124 93 110 140 110 Do the data give convincing evidence that polyester decays more in 16 weeks than in 2 weeks, on average? CYU: 2-sample t interval Construct a 95% confidence interval for the true difference in mean strength of the polyester buried for 2 weeks vs 16 weeks. (DO and CONCLUDE steps only)