The population consists of all 15-year-olds living in the

Assignment Help Basic Statistics

Reference no: EM13617124

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.)

1. Dropouts cannot be sampled.

2. Home-schooled students cannot be sampled.

3. Students who are out sick cannot be sampled.

4. Students who are skipping class cannot be sampled.

5. Students who are not taking statistics cannot be sampled.

6. Students who are on a school trip 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.)

1. Students who are skipping class cannot be sampled.

2. Students who are out sick cannot be sampled.

3. Home-schooled students cannot be sampled.

4. 16-year-olds cannot be sampled.

5. Students who are on a school trip cannot be sampled.

6. Dropouts cannot be sampled.

Reference no: EM13617124

Questions Cloud

If we were randomly drawing a sample of one organizaiton : if we were randomly drawing a sample of one organizaiton from a population of 15 where five are high performers and

Is there a significant difference in self-reported : a small pilot study is run to compare a new drug for chronic pain to one that is currently available. participants are

What is the first big change that american drivers made due : what is the first big change that american drivers made due to higher gas prices? according to a survey 30 said that it

Write the associated homogeneous recurrence relation find : consider the recurrence relation an 2an ? 1 3n.a write the associated homogeneous recurrence relation.b find the

The population consists of all 15-year-olds living in the : in each of the following situations the sampling frame does not match the population resulting in undercoverage. give

Assuming that whether or not the students know the answer : in a class with 18 boys and 12 girls boys have probability 13 of knowing the answer and girls have probability 12 of

Which distribution is followed by xbar what are its : 1. consider a continuous random variable x with varx 4. a sample of 50 measurements of x is taken and xbar 68a.

Because of nonresponse the fraction of women among : 1. a researcher sends a questionnaire to 6000 individuals. she gets back 5000 responses. the percentage of women among

Suppose that you must establish regulations concerning the : suppose that you must establish regulations concerning the maximum number of people who can occupy an elevator. a study

User Account

All Pages