Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
It is known that for right-handed people, the dominant (right) hand tends to be stronger. For left-handed people who live in a world designed for right-handed people, the same may not be true. To test this, muscle strength was measured on the right and left hands of a random sample of 15 left-handed men and the difference (left - right) was found. The alternative hypothesis is one-sided (left hand stronger) . The resultingt-statistic was 1.80.
-This is an example of

A) a two-sample t-test.
B) a paired t-test.
C) a pooled t-test.
D) an unpooled t-test.