A random sample of 15 articles in a magazine revealed the following word counts per article.
4 comma 4034,403
4 comma 1564,156
5 comma 5405,540
5 comma 6525,652
4 comma 0154,015
4 comma 3144,314
4 comma 2064,206
5 comma 3155,315
5 comma 2635,263
4 comma 2414,241
4 comma 5764,576
5 comma 1405,140
4 comma 3094,309
4 comma 5234,523
4 comma 7994,799
Compute the mean, median, first quartile, and third quartile for these sample data.