2. Indicate whether a census or a sample survey is appropriate or advisable in the following situations. Give a brief reason. a. The Mayor of Davao City wants to determine the socioeconomic status of households in Davao City. b. A marketing research group wishes to determine the proportion of television viewers watching Encantadia.
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- Indicate whether a census or a sample survey is appropriate or advisable in the following situations. Give a brief reason a. The Mayor of Davao City wants to determine the socioeconomic status of households in Davao City. b. A marketing research group wishes to determine the proportion of television viewers watching Encantadia.Is there any bias in the following survey question. explainFor each of the following situations, indicate whether a census or a sample survey is appropriate or advisable. Give a brief reason. The Mayor of Davao City wants to determine the socioeconomic status of households in Davao City.
- A geography student in Parkville, Missouri is conducting a housing survey, including questions about a proposed rent control initiative. She knows that about 38% of the people in Parkville live in apartments, and wants about 38% of the surveys given to apartment dwellers. What kind of sampling should she use?Choose the correct answer for the subquestions of the sample problem below7. The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 23 18 Holgate 24 9 Starksville 24 15 Carey 20 22 Danville 30 9 Whistler 19 24 Athens 33 11 Woodville 27 10 Click here for the Excel Data Filea. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.) b. Estimate the number of crimes for a city with 21 police officers. (Round your answer to the nearest whole number.) c. Interpret the…
- Suppose that a poll was taken in order to assess the number of gypsy moth nests in Pennsylvania. 200 Pennsylvania trees were surveyed by Penn State researchers on the closest mountain to campus. Which of the following sampling plans was used in this survey? Group of answer choices stratified sample volunteer sample convenience sample systematic sample Suppose that a poll was taken in order to assess the number of gypsy moth nests in Pennsylvania. 200 Pennsylvania trees were surveyed by Penn State researchers on the closest mountain to campus. Which of the following types of bias could be attributed to the results? Group of answer choices non-response bias selection biasWrite brief notes on the following Africana Section of a Library Likert Scales Purposive SamplingThe city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 23 18 Holgate 24 9 Starksville 24 15 Carey 20 22 Danville 30 9 Whistler 19 24 Athens 33 11 Woodville 27 10 Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.) Estimate the number of crimes for a city with 21 police officers. (Round your answer to the nearest whole number.) Interpret the regression equation.
- The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 23 18 Holgate 24 9 Starksville 24 15 Carey 20 22 Danville 30 9 Whistler 19 24 Athens 33 11 Woodville 27 10The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 15 17 Holgate 17 7 Starksville 17 13 Carey 12 21 Danville 25 5 Whistler 11 19 Athens 27 7 Woodville 22 6 The regression equation is yˆ=29.39−0.96xy^=29.39-0.96x , the sample size is 8, and the standard error of the slope is 0.22. Use the 0.05 significance level. Can we conclude that the slope of the regression line is less than zero? Reject H0 and conclude the slope is less than zero.The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 15 17 Holgate 17 7 Starksville 17 13 Carey 12 21 Danville 25 5 Whistler 11 19 Athens 27 7 Woodville 22 6 Click here for the Excel Data File Which variable is the dependent variable and which is the independent variable? Hint: Which of the following makes sense: Cities with more police have fewer crimes, or cities with fewer crimes have less police? Choose the scatter diagram that best fits the data.…