Home /
Expert Answers /
Statistics and Probability /
asap-question-to-20-points-twe-types-of-materials-were-tesed-haved-on-strength-meavur-pa356
(Solved): ASAP QUESTION to \( (20 \) points \( ) \) Twe types of materials were tesed haved on strength meavur ...
ASAP
QUESTION to \( (20 \) points \( ) \) Twe types of materials were tesed haved on strength meavurement and the following manufte were obtained: a. An engincer claims that there is NO significant difference between these two types of materials. Do you agree at a \( 95 \% \) confidence level? b. The manager claims that the proposed material SHOUI.D BE used. Based on the given information, do you agree with the manager at \( 5 \% \) risk level? c. What assumptions should be used in a) and b)?
Expert Answer
a) Let and be the population means of current and proposed materials used for measurement of strenth. According to engineers claim we have to test the following hypotheses: H0: There is no significant difference between average strength of current an