A Researcher Has Developed a Regression Model from Fourteen Pairs

Multiple Choice

A researcher has developed a regression model from fourteen pairs of data points. He wants to test if the slope is significantly different from zero. He uses a two? tailed test and ɑ = 0.01. The critical table t value is ___.

A) 2.650
B) 3.012
C) 3.055
D) 2.718
E) 2.168