Answer:
This is a biased sample.
Step-by-step explanation:
This is because she gave a random sample, but the she had the convenience of the students being with her when she surveyed. So it'e not actually random. She could also worded the survey or gave a biased response.
Answer:
A. 45.28
Step-by-step explanation:
Answer:44
Step-by-step explanation:
7 is 1/10 of.. 70, because 10 times 7 is 70 :)