能解释下A答案吗？？没明白

问题如下：

Based on Exhibit 2, Vasileva should reject the null hypothesis that:

选项：

A.the slope is less than or equal to 0.15 B.the intercept is less than or equal to zero C.crude oil returns do not explain Amtex share returns

解释：

C is correct. Crude oil returns explain the Amtex share returns if the slope coefficient is statistically different from zero. The slope coefficient is 0.2354, and the calculated t-statistic is：

$t=\frac{{0.2354-0.0000}}{{0.0760}}=3.0974$

which is outside the bounds of the critical values of ±2.728.

Therefore, Vasileva should reject the null hypothesis that crude oil returns do not explain Amtex share returns, because the slope coefficient is statistically different from zero.

A is incorrect because the calculated t-statistic for testing the slope against 0.15 is $t=\frac{{0.2354 - 0.1500}}{{0.0760}}=1.1237$ , which is less than the critical value of +2.441.

B is incorrect because the calculated t-statistic is $t=\frac{{0.0095-0.0000}}{{0.0078}}=1.2179$ ,which is less than the critical value pf +2.441.