A linguistics expert is interested in learning about the amountof time people in his industry spend studying a new language. A random sample of 15 people in his industry were surveyed for a hypothesis test about the mean timepeople studieda new language last year. He conducts a one-mean hypothesis test, at the 10% significance level, to test the recent publication that the amount of timepeople in his industry are studying a new language was 30 minutes per week.

dfdf	t0.10t0.10	t0.05t0.05	t0.025t0.025	t0.01t0.01	t0.005t0.005
......	...	...	...	...	...
1313	1.350	1.771	2.160	2.650	3.012
1414	1.345	1.761	2.145	2.624	2.997
1515	1.341	1.753	2.131	2.602	2.947
1616	1.337	1.746	2.120	2.583	2.921

Determine the critical value(s) using the partial ttable above. If entering two critical values, use .

Provide your answer below:

critical value(s) =