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.​

What is the source dotheboys hall “it still tastes awful” about? (gcse history)

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.