Mathematics

Mathematics, 08.11.2019 00:31, daniel7363

Sandra needs to obtain a random sample of 20 students from her school, in order to do a project for her statistics class. which method would be best for doing this? a) choose 20 students who are in sports programs. b) randomly select 10 girls and 10 boys from the girls' and boys' soccer teams. c) choose the first 20 students she sees in the hallway after leaving statistics class one day. d) at the next school assembly, choose one student from each of 20 randomly seleted rows of seats.

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Mathematics, 26.06.2019 22:10, makaylahamrick

Refer to the definition of simple random sample available below and its accompanying definition of random sample enclosed within parentheses. determine whether each of the following is a simple random sample and a random sample. a. a statistics class with 36 students is arranged so that there are 6 rows with 6 students in each row, and the rows are numbered from 1 through 6. a die is rolled and a sample consists of all students in the row corresponding to the outcome of the die. b. for the same class described in part (a), the 36 student names are written on 36 individual index cards. the cards are shuffled and six names are drawn from the top. c. for the same class described in part (a), the six youngest students are selected. click the icon to view the definitions of simple random sample and random sample.

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Mathematics, 27.06.2019 12:30, Jasonn7787

Sandra needs to obtain a random sample of 20 students from her school, in order to do a project for her sandra needs to obtain a random sample of 20 students from her school, in order to do a project for her statistics class. which method would be best for doing this? statistics class. which method would be best for doing this? never mind the answer is > > > > d

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Mathematics, 03.07.2019 02:50, clark4590

Class size freshman 2200 sophomore 1800 junior 1400 senior 1100 heidi is doing a study for her statistics class, and she needs to obtain a random sample of students from a local college. [the enrollment at the college is summarized in the table shown.] choose the best way to obtain a sample of size 50. a) select 50 students from a new student orientation session. b) select 50 students from participants in a career day presentation. c) select 50 students from the stadium homestands during a football game. d) select only seniors because they have been attending the school longer. which is the answer

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Mathematics, 03.09.2019 16:10, Anliz0179

In each of the following situations, the sampling frame does not match the population, resulting in undercoverage. give examples of population members that might have been omitted. (a) the population consists of all 250 students in your large statistics class. you plan to obtain a simple random sample of 30 students by using the sampling frame of students present next monday. (select all that apply.) a. a. dropouts cannot be sampled. students who are out sick cannot be sampled. b. students who are not taking statistics cannot be sampled. c. students who are skipping class cannot be sampled. d. students who are on a school trip cannot be sampled. home-schooled students cannot be sampled. (b) the population consists of all 15-year-olds living in the attendance district of a local high school. you plan to obtain a simple random sample of 200 such residents by using the student roster of the high school as the sampling frame. (select all that apply.) a. students who are skipping class cannot be sampled. b. dropouts cannot be sampled. c. home-schooled students cannot be sampled. d. students who are on a school trip cannot be sampled. students who are out sick cannot be sampled.

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