Exhibit 7-13: an Investigator Wished to Look at the Relationship

Exhibit 7-13: An investigator wished to look at the relationship between the aspirations of high school juniors for a college education and their current grade point averages.He asked 150 high school juniors whether or not they wanted to attend college.The following data were obtained:
$\begin{array}{lllll} &&&GPA\\& & \text { Below average } & \text { Average } & \text { Above average } \\\text { Aspiration } & \text { Yes } & 15 & 25 & 35 \\\text { to attend College } & \text { No } & 35 & 25 & 15\end{array}$
Apply the X² test to the above data and then answer the following questions.
-Refer to Exhibit 7-13.The tabled value of chi square for the corresponding degree(s) of freedom shows 5.99 for the .05 level and 9.21 for the .01 level.The investigator would report that his results are

A) statistically significant at the .05 level.
B) statistically significant at the .01 level.
C) Not statistically significant.
D) None of these are true.