Does this provide convincing evidence that seniors at Garfield High School study more than the report

stated?

A study reported that about half of high school seniors

study for upcoming math tests. To find out if this applies

to seniors at Garfield High School, an SRS of 30

seniors was asked if they study for their math tests.

Nineteen responded "Yes."

A dotplot is provided showing the results of 40 trials of

this simulation

No, there is an outlier at 20.

No, there were outcomes as low as 12.

Yes, only one trial had a result of 19 or larger

Yes, more than half of the simulated results are over

15.

Seniors Who Study for Math Tests