Question

If a teacher is trying to prove that a new method of teaching economics is more effective than a traditional one, he/she will conduct a:

a) Two-tailed test
b) One-tailed test, lower tailed test
c) Point estimate of the population parameter
d) One-tailed, upper-tailed test

Answer 1

The teacher conducts a one-tailed, upper-tailed test to prove the new method is more effective than the traditional one.

Step-by-step explanation:

The teacher is conducting a one-tailed test, upper-tailed test to prove that the new method of teaching economics is more effective than the traditional one.

A one-tailed test is used when the alternative hypothesis suggests a specific direction of difference between the new method and the traditional one. In this case, the teacher wants to show that the new method is more effective than the traditional one.

Graphically, the test statistic and mean would be marked on the right side of the distribution curve, representing the upper tail. The area corresponding to the p-value would be shaded in the right tail.