Stratified sampling (the use of strata) enhances ________ of the population: A. representativeness B.. exclusion C....
Stratified sampling (the use of strata) enhances ________ of the population:
A. representativeness
B.. exclusion
C. convenience
D. purposefulness
Homework Answers
Ans:-
A,
Representativeness,
Stratified sampling ( the use of strata) enhances representativeness of the population as well as ensures that stratified sampling is not over used and reduces the sampling error.
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Stratified sampling (the use of strata) enhances ________ of the
population:
A. representativeness
B.. exclusion
C....
For a stratified sampling from a population with three strata and the variable of interest Y:...
For a stratified sampling from a population with three strata and the variable of interest Y: Stratum 1: Stratum Size = N1, Sample Size = n1 = 20, Sample Mean of Y values = 50. Stratum 2: Stratum Size = N2, Sample Size = n2 = 10, Sample Mean of Y values = 30. Stratum 3: Stratum Size = N3, Sample Size = n3 = 25, Sample Mean of Y values = 40. The population size is N = N1...
stratified random sampling question : + s2019/ 3. To estimate the total of the number of socio-democratic seats (SD...
stratified random sampling question :
+ s2019/ 3. To estimate the total of the number of socio-democratic seats (SDS), y in a municipal council, the population was stratified into four strata using the total number seats in the municipal council. Some information about these strata is given in the following table. Population Sample Number of N. ΣνΗ seats 31-40 756 44 1,647 13,784 72.223 89 441 41-50 168 3.383 9,735 51 -70 56 1,545 617 44,529 24,137 250 8.294 71-...
The best statement about cluster and stratified sampling is Select one: O a. Cluster sampling is...
The best statement about cluster and stratified sampling is Select one: O a. Cluster sampling is more representative of the population than Stratified sampling. O b. Stratified sampling is more representative of the population than Cluster sampling. O C. Cluster and Stratified samplings are equally representative of the population. O d. Cluster and Stratified sampling methods do not provide good representation of the population.
20. The sample size determines: a. representativeness b. accuracy c. representativeness and accuracy d. the population...
20. The sample size determines: a. representativeness b. accuracy c. representativeness and accuracy d. the population statistic value e. the mean generated from the sample statistic
1.3.9 Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the...
1.3.9 Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below A researcher selects every 978th social security number and surveys the corresponding person. Which type of sampling did the researcher use? OCluster sampling O Convenience sampling O Random sampling O stratified sampling O Systematic sampling
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation...
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below. A researcher selects every 452th social security number and surveys the corresponding person. Which type of sampling did the researcher use? O O O O O Convenience sampling Cluster sampling Random sampling Systematic sampling Stratified sampling
Determine the type of sampling used: systematic, convenience, stratified, or cluster. To conduct a survey of...
Determine the type of sampling used: systematic, convenience, stratified, or cluster. To conduct a survey of the interest of U.S. citizens in Yellowstone National Park, a list of zipcodes is compiled. All citizens in 50 different zipcodes are selected to be mailed a survey. Select one: a. Stratified b. Cluster c. Systematic o d. Convenience
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation...
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below. A womanwoman is selected by a marketing company to participate in a paid focus group. The company says that the womanwoman was selected because everyoneeveryone inin threethree randomlyrandomly selectedselected townstowns waswas beingbeing selected.selected. nothing nothing Which type of sampling did the marketing company use? ClusterCluster sampling RandomRandom sampling ConvenienceConvenience sampling SystematicSystematic sampling StratifiedStratified sampling
Specify the fourth property of statistical population. a. Representativeness b. Correlation c. Distribution d. Average level...
Specify the fourth property of statistical population. a. Representativeness b. Correlation c. Distribution d. Average level e. Variety
QUESTION 3 _validity while random assignment enhances validity Random sampling enhances O A. construct; external B....
QUESTION 3 _validity while random assignment enhances validity Random sampling enhances O A. construct; external B. internal; external OC. internal; construct D. external; internal
stratified random sampling question :
+ s2019/ 3. To estimate the total of the number of socio-democratic seats (SDS), y in a municipal council, the population was stratified into four strata using the total number seats in the municipal council. Some information about these strata is given in the following table. Population Sample Number of N. ΣνΗ seats 31-40 756 44 1,647 13,784 72.223 89 441 41-50 168 3.383 9,735 51 -70 56 1,545 617 44,529 24,137 250 8.294 71-...
The best statement about cluster and stratified sampling is Select one: O a. Cluster sampling is more representative of the population than Stratified sampling. O b. Stratified sampling is more representative of the population than Cluster sampling. O C. Cluster and Stratified samplings are equally representative of the population. O d. Cluster and Stratified sampling methods do not provide good representation of the population.
1.3.9 Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below A researcher selects every 978th social security number and surveys the corresponding person. Which type of sampling did the researcher use? OCluster sampling O Convenience sampling O Random sampling O stratified sampling O Systematic sampling
Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below. A researcher selects every 452th social security number and surveys the corresponding person. Which type of sampling did the researcher use? O O O O O Convenience sampling Cluster sampling Random sampling Systematic sampling Stratified sampling
Determine the type of sampling used: systematic, convenience, stratified, or cluster. To conduct a survey of the interest of U.S. citizens in Yellowstone National Park, a list of zipcodes is compiled. All citizens in 50 different zipcodes are selected to be mailed a survey. Select one: a. Stratified b. Cluster c. Systematic o d. Convenience
QUESTION 3 _validity while random assignment enhances validity Random sampling enhances O A. construct; external B. internal; external OC. internal; construct D. external; internal
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