At a​ concert, a representative sample is collected of men and women. The sample contains 9 men and 7 women. Which inference is valid for the population of people attending the​ concert?

Question

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1 point
56​% of the population are men.
7 out of every 9 members in the population are women.
78​% of the population are women.
There are more women than men in the population.

Answer 1

56% of the population are men.

Answer 2

During a high school hockey ​game, every spectator placed his or her ticket stub into one of several containers. After the​ game, the coach chose ten people to march in the sportsmanship parade. What is the sample in this​ situation?
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1 point
The coach
The hockey game spectators
The ten people to march in the sportsmanship parade
The ticket stubs

Answer 3

The ten people to march in the sportsmanship parade.

Answer 4

A popular art teacher at a school asks a sample of students if they would be interested in taking an art class next year. Of the 30 students he ​asks, 85​% are in one of his art classes this year. Only 15​% of the students in the school are in one of his art classes this year. Will this sample be​ biased?
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1 point
​Yes, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.
​No, because students who are in one of his art classes this year will be less likely to take one of his art classes next year.
​Yes, because students who are in one of his art classes this year will be less likely to take one of his art classes next year.
​No, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.

Answer 5

Yes, because students who are in one of his art classes this year will be more likely to take one of his art classes next year.