The correct option is A.
In survey sampling, bias is defined as the tendency of the chosen sample to over estimate or under estimate a population parameter. Bias is said to occur when the used sample does not accurately represent the population concerned; a good sample should be representative. There are different types of bias, depending on how they arise. When selecting a sample for controversial political survey, choosing participants from registered voters only will decrease the bias of the sampling. <span />
Answer:
The answer is 3
Step-by-step explanation:
Answer:
7. slope= 1
y-intercept= 0
8. slope= -3/2
y-intercept= -2
9. slope= 0
y-intercept= 4
10. slope= undefined
y-intercept= 0
11. slope= 2/9
y-intercept× 1
12. slope= -1/2
y-intercept= 2
Step-by-step explanation:
hope this helps!
Answer:C 30
Step-by-step explanation: They all divide evenly when divided by 30.
Answer:
x <- x - 5
Step-by-step explanation:
