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(1 point) When the population is divided into mutually exclusive sets, and then a simple random...
Please help, will give thumbs up for correct answer! Which of the following must be avoided...
Please help, will give thumbs up for correct answer!
Which of the following must be avoided in designing a questionnaire? OA. Open-ended questions OB. Demographic questions OC. Dichotomous questions D. Leading questions Which of the following is not an example of nonsampling errors? A. Errors that arise when responses are not obtained from some members of the sample B. Errors that arise from the recoding of incorrect responses OC. Errors that arise when some members of the target population cannot...
- The required sample size for the interval estimation of the population mean μ can be...
- The required sample size for the interval estimation of the population mean μ can be computed if we specify the population standard deviation σ, the value of zα/2zα/2based on the confidence level 100(1 − α)% and the desired margin of error E. A) True B) False - In stratified random sampling, the population is first divided up into mutually exclusive and collectively exhaustive groups, called strata. Then simple random samples are drawn from each stratum, which are proportional to...
(1 point) When every possible sample with the same number of observations is equally likely to...
(1 point) When every possible sample with the same number of observations is equally likely to be chosen, the selected sample is called: A. cluster sample OB. simple random sample C. biased sample D. stratified sample A pharmaceutical company, interested in measuring how often physicians prescribe a certain drug, has selected a simple random sample from each of two groups: MD. (medical doctors) and DO. (doctors of Osteopathic). What type of sampling is this? A. Stratified random sampling B. Cluster...
After a population of 1,000 high school seniors is divided by sex and size of school...
After a population of 1,000 high school seniors is divided by sex and size of school attended, the random selection of a sample to 1. represent these proportions of the population is called a. systematic sampling b. matched-pair sampling c. stratified random sampling d. cluster sampling 2. A researcher wishes to survey student apinions on a proposed increase in activity fees at her university. She decides to select a sample for telephone interviewing by selecting every 20th name in the...
(1 point) For each problem, select the best response. (a) A simple random sample of size...
(1 point) For each problem, select the best response. (a) A simple random sample of size n is defined to be A. a sample of size n chosen in such a way that every unit in the population has the same chance of being selected. B. a sample of size n chosen in such a way that every set of n units in the population has an equal chance to be the sample actually selected. C. a sample of size...
1 point) For each problem, select the best response. (a) A simple random sample of size...
1 point) For each problem, select the best response. (a) A simple random sample of size n is defined to be A. a sample of size n chosen in such a way that every unit in the population has a known nonzero chance of being selected. B. a sample of size n chosen in such a way that every unit in the population has the same chance of being selected. C. a sample of size n chosen in such a...
Thank you. very much Quiz: Chapter 1 Quiz Sub This Question: 1 pt 4 of 10...
Thank you. very much
Quiz: Chapter 1 Quiz Sub This Question: 1 pt 4 of 10 (2 complete) This Quiz: 10 pts Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain. Lettuce is planted on a 45-acre field. The field is divided into one-acre subplots. A sample is taken from each subplot to estimate the harvest. What type of sampling is used? O A. Stratified sampling is used, since the field is divided into subplots...
Responses to __________________ can only be categorized and coded after data has been collected A. Leading...
Responses to __________________ can only be categorized and coded after data has been collected A. Leading questions B.Telephone interviews c. Open ended questions D. Closed ended question Which of these is the first stage of probability sampling? A. Decide on a suitable sample size B. Select the appropriate technique and the sample C. Check that the sample is representative D. Identify sampling frame from research objectives 3- Mutually Exclusive means that A. Response categories do not overlap B. Response categories...
Idontily the sampling techniques used, and discuss potential sources of bias (if any) Explain Ansume the...
Idontily the sampling techniques used, and discuss potential sources of bias (if any) Explain Ansume the popalation of interest is the student body at a universily Questioning students as they leave an athdetic facility, a researcher asks 300 students abHout thoir dating habls What type of sampling is used? O A. Stratified sampling is used, because students are divided into groups, and students are chosen at random from these groups O B. Simple random sampling is used, because students are...
1. When conducting a survey, it is important to use a random sample: to get a...
1. When conducting a survey, it is important to use a random sample: to get a significant result. to avoid bias and to get a representative sample. so that we can make causal conclusions. to ensure truthful answers to the survey's questions. none of the above. 2. In order to obtain a sample of undergraduate students in the United States, a simple random sample of 10 states is selected. From each of the selected states, 10 colleges or universities are...
Please help, will give thumbs up for correct answer!
Which of the following must be avoided in designing a questionnaire? OA. Open-ended questions OB. Demographic questions OC. Dichotomous questions D. Leading questions Which of the following is not an example of nonsampling errors? A. Errors that arise when responses are not obtained from some members of the sample B. Errors that arise from the recoding of incorrect responses OC. Errors that arise when some members of the target population cannot...
(1 point) When every possible sample with the same number of observations is equally likely to be chosen, the selected sample is called: A. cluster sample OB. simple random sample C. biased sample D. stratified sample A pharmaceutical company, interested in measuring how often physicians prescribe a certain drug, has selected a simple random sample from each of two groups: MD. (medical doctors) and DO. (doctors of Osteopathic). What type of sampling is this? A. Stratified random sampling B. Cluster...
After a population of 1,000 high school seniors is divided by sex and size of school attended, the random selection of a sample to 1. represent these proportions of the population is called a. systematic sampling b. matched-pair sampling c. stratified random sampling d. cluster sampling 2. A researcher wishes to survey student apinions on a proposed increase in activity fees at her university. She decides to select a sample for telephone interviewing by selecting every 20th name in the...
Thank you. very much
Quiz: Chapter 1 Quiz Sub This Question: 1 pt 4 of 10 (2 complete) This Quiz: 10 pts Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain. Lettuce is planted on a 45-acre field. The field is divided into one-acre subplots. A sample is taken from each subplot to estimate the harvest. What type of sampling is used? O A. Stratified sampling is used, since the field is divided into subplots...
Idontily the sampling techniques used, and discuss potential sources of bias (if any) Explain Ansume the popalation of interest is the student body at a universily Questioning students as they leave an athdetic facility, a researcher asks 300 students abHout thoir dating habls What type of sampling is used? O A. Stratified sampling is used, because students are divided into groups, and students are chosen at random from these groups O B. Simple random sampling is used, because students are...
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