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(2). Here the problem of stratified random sampling
(3). HreH the problem of systematic sampling
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Feysal Ugas: Attempt 4 A sample which is picked by subdividing the populations into (preferably diverse...
Decide which sampling method is being used. - a. b....
Decide which sampling method is being used. - a. b. c. d. e. Thirty-five athletes, 18 men and 17 women, are randomly selected from 243 male athletes and 187 female athletes. - a. b. c. d. e. Every third dog at the clinic is checked for ticks. - a. ...
Thanks for your help Decide which sampling method is being used. , Thirty-five sophomores, 69 juniors...
Thanks for your help
Decide which sampling method is being used. , Thirty-five sophomores, 69 juniors and 24 seniors are randomly selected from 461 sophomores, 328 juniors and 558 seniors at a certain high school. Every fifth teenager entering a concert is checked for possession of drugs .A researcher randomly selects an interviews fifty male and fifty female teachers. a. Systematic b. Convenience c. Stratifiled d. Simple Random Sample (SRS) e. Cluster Based on 8000 responses from 32,500 questionnaires sent...
Which of the following actions taken by the researcher would MOST likely improve the external validity...
Which of the following actions taken by the researcher would MOST likely improve the external validity in a study? Answers A-D A Enrolling a diverse subject sample. B Randomly assigning subjects to groups. C Conducting a power analysis. D Using restrictive inclusion/exclusion criteria. Which of the following is an accurate statement about the reliability of an instrument in a research study? Answers A-D A A tool can be reliable even if it is not valid. B A tool can be...
#6 weekend before the final exam week. Her assistant took a random sample of 250 stadents...
#6
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
#7 weekend before the final exam week. Her assistant took a random sample of 250 stadents...
#7
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
#5 weekend before the final exam week. Her assistant took a random sample of 250 stadents...
#5
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The compl...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The complete set of information. B) A portion, not all, of the information. C) Has the potential to be biased or misleading. D) Measured or summarized with parameters. E) Measured or summarized with statistics. 3) Descriptive versus inferential statistics. For each statement, answer with either descriptive or inferential statistics. A) Facts about samples. B) Educated guesses about populations based on samples. C) The world population...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500 random I numbers, then interviews the voters corresponding to those numbers. A) Convenience B) Systematic C) Cluster D) Random E) Stratified 2) Determine whether the given value is a statistic or a parameter. After taking the first exam, 2) 15 of the students dropped the class. A) Statistic B) Parameter 3) Determine which of the four levels of measurement is most appropriate. Students' grades...
4. (2 pts total) A researcher is interested in gathering data about the adult population of...
4. (2 pts total) A researcher is interested in gathering data about the adult population of a small town Kwiatek. Assume the researcher has access to any materials required to obtain a sample from the Kwiatek population. Below are descriptions of how the researcher could have selected a sample. Determine which of the following sampling methods: Cluster, Stratified, Convenience, Simple Random Sample, or Systematie is used in each example. (a) The researcher stood at the entrance to the Kwiatek library...
Just Need part 4 You will conduct statistical surveys in which you attempt to make a...
Just Need part 4
You will conduct statistical surveys in which you attempt to make a conclusion about multiple population parameters. Here are the project guidelines: You will use the De Anza College student body as your population You must sample at least 50 students, asking them 2 questions Question #1: This will be an average / 1-population question Question #2: This will be a proportion / 2-population question You must work in groups of 1 to 3 people (You...
Thanks for your help
Decide which sampling method is being used. , Thirty-five sophomores, 69 juniors and 24 seniors are randomly selected from 461 sophomores, 328 juniors and 558 seniors at a certain high school. Every fifth teenager entering a concert is checked for possession of drugs .A researcher randomly selects an interviews fifty male and fifty female teachers. a. Systematic b. Convenience c. Stratifiled d. Simple Random Sample (SRS) e. Cluster Based on 8000 responses from 32,500 questionnaires sent...
Which of the following actions taken by the researcher would MOST likely improve the external validity in a study? Answers A-D A Enrolling a diverse subject sample. B Randomly assigning subjects to groups. C Conducting a power analysis. D Using restrictive inclusion/exclusion criteria. Which of the following is an accurate statement about the reliability of an instrument in a research study? Answers A-D A A tool can be reliable even if it is not valid. B A tool can be...
#6
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
#7
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week" from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
#5
weekend before the final exam week. Her assistant took a random sample of 250 stadents The answer on "whether you visited campus bars on the weekend before the final exam week from students in the sample is an example of A) a table of random numbers C) a categorical variable B) a continuous variable D) a discrete variable 3) 3) Which of the following is NOT a reason for the need for sampling? A) It is always more informative...
2) Populations versus samples. For each statement, answer with either population, sample, or both. A) The complete set of information. B) A portion, not all, of the information. C) Has the potential to be biased or misleading. D) Measured or summarized with parameters. E) Measured or summarized with statistics. 3) Descriptive versus inferential statistics. For each statement, answer with either descriptive or inferential statistics. A) Facts about samples. B) Educated guesses about populations based on samples. C) The world population...
l) Identify which type of sampling is used. A pollster uses a computer to generate 500 random I numbers, then interviews the voters corresponding to those numbers. A) Convenience B) Systematic C) Cluster D) Random E) Stratified 2) Determine whether the given value is a statistic or a parameter. After taking the first exam, 2) 15 of the students dropped the class. A) Statistic B) Parameter 3) Determine which of the four levels of measurement is most appropriate. Students' grades...
4. (2 pts total) A researcher is interested in gathering data about the adult population of a small town Kwiatek. Assume the researcher has access to any materials required to obtain a sample from the Kwiatek population. Below are descriptions of how the researcher could have selected a sample. Determine which of the following sampling methods: Cluster, Stratified, Convenience, Simple Random Sample, or Systematie is used in each example. (a) The researcher stood at the entrance to the Kwiatek library...
Just Need part 4
You will conduct statistical surveys in which you attempt to make a conclusion about multiple population parameters. Here are the project guidelines: You will use the De Anza College student body as your population You must sample at least 50 students, asking them 2 questions Question #1: This will be an average / 1-population question Question #2: This will be a proportion / 2-population question You must work in groups of 1 to 3 people (You...
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