Identify which sampling technique was used to select the given sample. A researcher calls every 30th person in the phone book to ask what type of heat they use in their home.
Ans. Here the problem is the systematic sampling. In systematic sampling the first unit is selected at random and every subsequent unit is selected by a predefined method, i.e. in regular intervals.
Identify which sampling technique was used to select the given sample. A researcher calls every 30th...
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
Identify the sampling technique that best fits. A pollster uses a computer to generate all possible sets of 120 individuals from a list of 5000 individuals. One of those sets is randomly chosen. [Select] • A market researcher selects 500 people from each of 10 cities. [ Select] • Every 7th person from a list of 1000 names is selected to take a survey. [Select]
Identify which of these types of sampling is used random, systematic, convenience, stratified, or cluster A market researcher has randomly selected four neighborhoods in a certain region She is surveying all the people from each neighborhood What type of sampling is used? O systematic sampling O random sampling O convenience sampling O stratified sampling cluster sampling
20. In systematic sampling, every kth case is selected from a list. If you are conducting a study in which you want a sample of 500 participants and you have a list of 15,000 people as possible participants, what would be your sampling interval? You would choose: A. every 15th person B. every 30th person C. every 50th person D. every 100th person
Identify which of these types of sampling is used: A market researcher selects 500 drivers when they park their car in the Target parking lot. Convenience Simple random Stratified Systematic
What sampling method was used here? An opinion researcher wished to study Americans' biggest concerns about the environment. He divided a list of registered voters into six groups based on their zip codes and then selected every 40th person on an alphabetical list within each zip code group for an interview. A. Convenience sampling B. Stratified sampling C. Random sampling D. Chunk sampling
Identify which of these types of sampling methods is used: random, simple random, systematic, convenience, stratified, or cluster. A researcher wants to investigate whether body mass index (BMI) depends on gender. From each group of females and males he then randomly selects 50 individuals. A quality control engineer selects every 100th thermometer that is produced by the company. A researcher randomly selects ten blocks in the Village of Newport, and then asks all adult residents of the selected blocks whether...
Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain. After a tornado, a disaster area is divided into 150 equal grids. Fifty of the grids are selected, and every occupied household in the grid is interviewed to help focus relief efforts on what residents require the most. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- What type of sampling is used? a) Stratified sampling is used, since the disaster area is divided into grids, and some of those grids are selected and...
Identify the type of sampling procedure used. 2.5 pts 2. The names of 100 employees are written on 100 cards. The cards are placed in a bag, and three names are picked from the bag. What sampling technique was used? O Convenience Systematic Cluster Stratified Simple random Davu MacBook Pro Provide and appropriate response. 3. What is the difference between a bar chart and a histogram?