A university's IT department wants to know whether students taking online classes more frequently use WiFi or mobile data to access course materials. An IT technician claims that less than half of online students primarily use WiFi. In a survey of 125 students, 53 of them indicated that they primarily use WiFi to access course materials. Test the claim using a significance level of = 0.05.

Calculate the test statistic for this sample data (rounded to four decimal places).