Answer:
A- 15-5 is the same
Step-by-step explanation:
15 + (3-8)
15 + (-5)
15-5
5x ÷ x² - 9 + 7 ÷ x + 3
Write the division as a fraction:
- 9 + 
+ 3
Simplify the expression:
- 9 + + 3
Calculate the sum:
- 6 +
Write all numerators above the common denominator:
Add the numbers and you get the final answer:
Answer:
Step-by-step explanation:
Sampling error occurs when the sample used by the research is not a representative of the whole population. While a non sampling error occurs during data sampling due to other factors than taking a sample.
Since there were no errors in collecting the data during day sampling, and it is safe to assume that the sample taken was a representative of the population, we can conclude that this is a non sampling error that was due to other factors than taking a sample.
