Help wanted on finding standardized test startistic t with clear explanations. Thanks in advance.

* Do Homework - Homework 17 * + - - C # myish.pearson.com/Student/PlayerHomework.aspx7homeworkid=618602470&questionid.D&flushed=falseAcid-68439078back =htips://mylab.pearson.com/Student/... ( # @ (Update i ) It Apps G Grail / Mavs On Youtube O X 5 How to Unbeck DL. A MY Account How to Become a.. [ Options profit cal- Reading List STAT 216, Spring 2022. CRN 23535/23537 (1) GEORGE MAGIGE 04/03/22 12:06 PM (2) Homework: Homework 8.2 Question 9, 8.2.19 HW Score: 98.41%%, 41.33 of 42 points Part B of 8 Points: 5.31 of B Save An engineer wants to know if producing motel bars using a new experimental treatment rather true the conventional traiment makes a difference in the banalle strength of the bars [the ability to resist toaring when pulled lengthwise), At a = 0/02. "tower parts (a) through fe], Assume the population variances are equal and me samples are random If convenient, use technology to solve the problem. Tensile strengths (howions per square mitimeter) 421 408 355 415 440 378 440 Conventional 403 413 417 373 302 418 395 408 383 445 The null hypothesis, Ha (b) Find the critical value('s) and identify the rejection region(s). Enter the critical value('s) below -2 602 2.602 (Type an integer or decimal rounded to tren decimal places as needed. Use a comma to separate answers as needed.) Select the correct rejection region(s) below OA Ish OB - 65156 C. 15- 6:126 (c) Find the standardized test statistic. (Type an integer or decimal rounded to the nearest thousandth as needed.)