Teaching Unit

Problem 3

The classes of Mr. Hendrickson and Mrs. Berkowitz measure the mass of a quarter. The results of their classes is shown below. The mean values are: 11,92 for Mrs. Berkowitz' class, and 11,93 for Mr. Hendricksons' class (as indicated with the blue dots).


Indicate the uncertainty interval of Mr. Hendrickson's class.

Lower bound of the uncertainty interval:


Upper bound of the uncertainty interval: