subject
History, 17.05.2021 14:00 nehaljay1883

A batch of weighing machines has been purchased and one machine selected at random for testing. Ten weighing tests have been conducted and the errors found noted as follows;
Test1 2 3 4 5 6 7 8 9 10
Error (gms) 4.6 8.2 2.1 6.3 5.0 3.6 1.4 4.1 7.0 4.5
The purchasing manager has previously accepted machines with a mean error of 3.8gms and
asserts these tests are below standard. Test the assertion at 5% level.​

ansver
Answers: 1

Another question on History

question
History, 21.06.2019 23:30
What is the difference between direct learning and indirect learning? a. direct learning is independent learning that people pursue on their own. indirect learning is forced on the learner by others, such as parents or teachers. b. direct learning is forced on learners so that they'll become productive members of society. indirect learning is a voluntary action taken by the learner with the intention of becoming a productive member of society. c. when people learn culture directly, they are imitating and observing others. when people learn culture indirectly, they are being taught by someone else. d. when people learn culture directly, they are being taught by someone else. when people learn culture indirectly, they are learning through observation and imitation.
Answers: 1
question
History, 22.06.2019 04:00
Which of the following was a major effect of paul's conversion to christianity? christianity became the official religion of the roman empire. the teachings of christianity were banned by pontius pilate. christians began to debate whether jesus was resurrected or not. the teachings of christianity were spread to non-jews called gentiles.
Answers: 2
question
History, 22.06.2019 09:30
Select the word from the list that best fits the definition “defenders of the kingdom”
Answers: 3
question
History, 22.06.2019 10:00
Who were some of the most important scientist in there and shipments of the revolution
Answers: 2
You know the right answer?
A batch of weighing machines has been purchased and one machine selected at random for testing. Ten...
Questions
question
Biology, 12.12.2020 16:20
question
History, 12.12.2020 16:20
question
English, 12.12.2020 16:20