Answer: rational
Step-by-step explanation:
-6 can be written as such an infinite number of ways (just as any rational can be). For example, -6/1, 6/-1, 12/-2, -666/111 and so indeed -6 is rational.
2.73972603 or ... you can round to the nearest tenth... 2.7
Leonard method is likely to to give an accurate estimate of the mean since his sample was randomly selected from campers at his camp.
hope this helped