Question

HELP ASAP!! Will FAN & Medal :) Need help fast!!

Scott took a part time job as a pollster for the Stonebridge Mall. He was assigned to stand at the west entrance of the mall and approach every 50th person coming into the mall to ask a few questions. While counting the people who passed by, he skipped everyone that he knew. Identify the one piece of information that might be a source of bias.

He stood at the west entrance of the mall.
He skipped everyone that he knew.
He only approached people coming into the mall, not those going out.
He only asked every 50th person.

Answer 1

A,B and D are correct options
but the source of bias is that he skipped everyone that he knew.

Answer 2

because he has to approach every 50th person no matter if he knows him/her or not.

Answer 3

i think B

Answer 4

yeah.. that's what i said.

Answer 5

Could you help me with this last one?


Sharon wants to find out what percentage of households have Internet access across the United States. She randomly calls 10 households and finds out that 6 of them have Internet access. She concludes that 60% of household in the United States have Internet access.

Which of the following is the best way for Sharon to get a more accurate statistic?

use a larger sample of households
double-check the results by calling the 10 households back that were surveyed
travel to the 10 households you surveyed to make sure they told the truth
make sure the 10 households you surveyed were selected randomly

Answer 6

@neer2890

Answer 7

use a large sample of household because 10 houses are so much less for a survey for the whole country.

Answer 8

That's what i had figured :)

Answer 9

good...:)