Two surfers and statistics students collected data on the number of days on which surfers surfed in the last month for
3030
longboard (L) users and
3030
shortboard (S) users. Treat these data as though they were from two independent random samples. Test the hypothesis that the mean days surfed for all longboarders is larger than the mean days surfed for all shortboarders (because longboards can go out in many different surfing conditions). Use a level of significance of
0.050.05.
Longboard:
4 comma 8 comma 7 comma 4 comma 7 comma 7 comma 9 comma 6 comma 7 comma 10 comma 13 comma 11 comma 10 comma 14 comma 11 comma 14 comma 12 comma 11 comma 12 comma 20 comma 19 comma 13 comma 11 comma 16 comma 19 comma 22 comma 7 comma 22 comma 19 comma 204,8,7,4,7,7,9,6,7,10,13,11,10,14,11,14,12,11,12,20,19,13,11,16,19,22,7,22,19,20
Shortboard: 6 comma 4 comma 4 comma 6 comma 8 comma 7 comma 8 comma 9 comma 4 comma 6 comma 7 comma 5 comma 8 comma 7 comma 4 comma 15 comma 11 comma 9 comma 11 comma 12 comma 11 comma 15 comma 10 comma 11 comma 13 comma 16 comma 11 comma 20 comma 19 comma 126,4,4,6,8,7,8,9,4,6,7,5,8,7,4,15,11,9,11,12,11,15,10,11,13,16,11,20,19,12