Answer:
Step-by-step explanation:
(a). The explanatory variables are the antioxidant group, the response variable is the result of the rate of colon cancer
(b)The design of the experiment is stratified Random sampling. I'll suggest there divided into equal group of 216 each.
(c). Double blind is when the people subjected to the experiment are not in the know if they're given placebo or the real antioxidant
(d) No significant difference mean, there is no convincing relationship that those that engage in using antioxidant have reduced colon cancer rate.
(e) Awareness of its history in family, age also.
Answer:s
Step-by-step explanation:
The sum of two sides of a triangle must be greater than the third side
1) 5+9>14
14>14 It is incorrect so you can’t have these lengths
2)7+7>15
14>15 X
3)1+2>4
3>4 X
4)3+6>8
9>8
6+8>3
14>3
8+3>6
11>6
So the fourth choice is correct
1 in = 1 ft
there are 12 inches in a foot...
you could say that 1 inch = 12 inches, or that the scale is 1:12
