Question 14 The tar content in 30 samples of cigar tobacco follows:

1.542 1.585 1.532 1.466 1.499 1.611

1.622 1.466 1.546 1.494 1.548 1.626

1.440 1.608 1.520 1.478 1.542 1.511

1.459 1.533 1.532 1.523 1.397 1.487

1.598 1.498 1.600 1.504 1.545 1.558

Find the lower bound on a 99% CI on the mean tar content.

Ans to 2 decimal places.