Spotify (a music streaming website/app) claims that 67% of all U.S. students use their service. In speaking with your friends, you start to doubt this claim. You think that the true percentage of students who use this music service is different than the value reported by Spotify.
Suppose you go out and ask a random sample of Ohio State students if they use Spotify. In your sample, 257 of a total of 369 students reply that they, in fact, use Spotify.
We wish to test the hypotheses Ho: p = 0.67 versus the alternative Ha: p ≠ 0.67. Calculate the appropriate test statistic. Round your test statistic to 1 decimal place.