CHALLENGE ACTIVITY 6.2.1: Hypothesis test for a population mean. 346930.2006472.qx3zqy7 Jump to level 1 A factory that m
Posted: Sun Oct 03, 2021 3:06 pm
CHALLENGE ACTIVITY 6.2.1: Hypothesis test for a population mean. 346930.2006472.qx3zqy7 Jump to level 1 A factory that manufactures screws is performing a quality control experiment. Each object should have a length of no more than 18 centimeters. The factory believes that the length of the screws exceeds this value and measures the length of 74 screws. The sample mean screw length was 17.98 centimeters. The population standard deviation is known to be o = 0.2 centimeters. D:D:D 3 What is the null hypothesis? Select What is the alternative hypothesis? Select 1 2 3 4 Check Next