Veata wants to know what percent of students at her school are left-hand dominant. Veata recalls that when students were randomly assigned to groups she was the only student in the group of 8 that was left-hand dominant. She also notices that 7 of the 28 students in her art class are left-hand dominant. Which sample should be used to determine the best estimate for the percent of students at the school who are left-hand dominant? Circle one of the following.

randomly assigned group

the entire art class

Explain your reasoning and any concerns about the choices above.

Question

Elaina Caldwell

Mathematics

27 August, 16:45

Veata wants to know what percent of students at her school are left-hand dominant. Veata recalls that when students were randomly assigned to groups she was the only student in the group of 8 that was left-hand dominant. She also notices that 7 of the 28 students in her art class are left-hand dominant. Which sample should be used to determine the best estimate for the percent of students at the school who are left-hand dominant? Circle one of the following.

randomly assigned group

the entire art class

Explain your reasoning and any concerns about the choices above.

+5

Answers (1)

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Yosef Ballard · Answer 1

Randomly assigned group. the art class isn't random and only consists of a select type of people--it is not a representative sample; maybe more left handed people enjoy art than do right handed people! therefore, even though the randomly assigned group is smaller, it is the better estimate.