Ans
(2). Here the problem of stratified random sampling
(3). HreH the problem of systematic sampling
Feysal Ugas: Attempt 4 A sample which is picked by subdividing the populations into (preferably diverse...
You are considering various sampling plans for an upcoming study. Based on the descriptions below, please tell me whether the sampling plan is: SRS, systematic, stratified, or cluster 1. You assign a number to each person from a list and randomly choose a number for each person you select for the sample. 2. You want every person to have an equal probability of being chosen throughout the entire selection process. 3. There are different groups of people that you want...
Sally selects classrooms of first graders to study the effects of teaching styles on math achievement. This is an example of ________________________. stratified random sampling cluster sampling proportional sampling sampling error Inter-rater reliability measures consistency_________________. a) over time b) from form to form c) across different tests d) from rater to rater Which of the following statements is a definition of sampling error? the difference in characteristics between the sample and the population sampled from the difference in amount of...
Let’s supposed that we want to choose a random sample of library books. There are four ways we can choose the random sample. Based on descriptions given below, label each as either simple random, stratified random, cluster random, or systematic random .a.The library books are storedon bookshelves. We number each bookshelf and use a random number generator to pick some bookshelves. All the books on the shelves that are picked will make up our random sample .b.We first organized the...
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 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...