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At a factory, certain metal components are manufactured on two different machines (A and B). The quality control manager suspects that machine B produces components that are stronger and more durable than those produced by machine A. To test this, he randomly selects twelve components from each machine. The components are put through a wear-testing machine and the amount of wear (in mm) is recorded 1. a. H1: Pd <0 b. H1: Pd > 0 c. H1: HA < HB d. H1: HA > HB e H A un

At a factory, certain metal components are manufactured on two different machines (A and B). The quality control manager suspects that machine B produces components that are stronger and more durable than those produced by machine A. To test this, he randomly selects twelve components from each machine. The components are put through a wear-testing machine and the amount of wear (in mm) is recorded 1. a. H1: Pd <0 b. H1: Pd > 0 c. H1: HA < HB d. H1: HA > HB e H A un

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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At a factory, certain metal components are manufactured on two different machines (A and B). The quality control manager suspects that machine B produces components that are stronger and more durable than those produced by machine A. To test this, he randomly selects twelve components from each machine. The components are put through a wear-testing machine and the amount of wear (in mm) is recorded 1. a. H1: Pd < 0 b. H1: Hd >0 c. H1: HA < HB d. H1: PA > HB e. H1: HA # HB The p-value of this test is equal to 0.064. Based on the p-value, indicate the strength of the evidence in favour of the alternative hypothesis. 2. O a. Very strong evidence Ob. Strong evidence O . Moderate evidence O d. Weak/no evidence
Transcribed Image Text:At a factory, certain metal components are manufactured on two different machines (A and B). The quality control manager suspects that machine B produces components that are stronger and more durable than those produced by machine A. To test this, he randomly selects twelve components from each machine. The components are put through a wear-testing machine and the amount of wear (in mm) is recorded 1. a. H1: Pd < 0 b. H1: Hd >0 c. H1: HA < HB d. H1: PA > HB e. H1: HA # HB The p-value of this test is equal to 0.064. Based on the p-value, indicate the strength of the evidence in favour of the alternative hypothesis. 2. O a. Very strong evidence Ob. Strong evidence O . Moderate evidence O d. Weak/no evidence
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