zy Ist Sem AY ZUZT-ZUZZ - MWX, IHW, THX Ten steel wires of diameter 0.5 mm and length 2.5 m were extended in a laboratory by applying vertical forces of varying magnitudes. Results are as follows: Force (kg) 15 19 25 5 42 8 53 56 62 65 t of Increase in length (mm) 1.7 2.1 2.5 3.4 3.9 4.9 5.4 5.7 6.6 7.2 1. Estimate the parameters of a simple linear regression model with force as the explanatory variable. 2. Find 95% confidence limits for the two parameters. 3. Test the hypothesis that the intercept is zero. 4. What are the conclusions? Summarize your answer in two-three sentences below. Afterwards, attach your solution to the submission bin after this quiz. A BIGFEE Finish attempt ... BO