1. Explain whether edch of the followingconstitutes a population or d sample.a.) Number of personal fouls committed by all NBAplayers during the 2008-2009 season.b.) Yield of potatoes per acre for 10 pieces of landc.) Weekly salaries of all employees of a companyd.) Cattle owned by 100 farmers in Iowde.) Number of computers sold dur ing the past weekat all computer stores in Los Angeles

Population is the data set based on all individuals involved in the study. Sample is a subset of the…

Answered: 1. Explain whether each of the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Toxic waste The Environmental Protection Agency took amap of a region near a former industrial waste dump andplaced a grid of 552 squares on it. They randomly selectedany 16 of those squares from which to collect soil samplesand checked each for evidence of toxic chemicals.a) What type of sampling did they use?b) Is there any sort of bias associated with this samplingprocedure?c) One researcher suggests that plots closer to the olddump site could contain more contaminants than thosefarther away. How could the sampling procedure beimproved to take this into account?
According to the chart: a) is it true that more than 50% of the population of USA and Mexico are either overweight or obese? b) is it true that more than 50% of the USA and Mexico MALES are either overweight or obese? c) is it true that being overweight is substantially more prevalent in India than obesity? d) is it ture that obesity is highly prevalent in China?
Surveys were conducted with every 7 households in Muscogee County, asking individuals to report information on their household, such as age, sex, race, education, income levels, and current health care needs. The purpose of the study was to describe the population of Muscogee County and assess the current health care needs of its constituents. 3. What research design was likely used to conduct this research? a. Case report b. Case series c. Ecological Study d. Cross-sectional (descriptive) e. Cross-sectional (analytic) f. Case-control study g. Retrospective cohort study h. Prospective cohort study i. Randomized clinical trial
I am struggling with part B of this question.
Consider these sample data: x1=15, x2=9, x3=3, x4=22. a. Find n. b. Compute ∑xi. c.Determine x. a.n=
1. Mark 30 small pieces of paper with an A, a B, or a C. Put the pieces of paper in a bag. Trade bags with other students in the class. a. Generate a sample by choosing a piece of paper from your bag 10 times, replacing the piece of paper each time. Record the number of times you choose each letter. Repeat this process to generate five more samples. b. Use each sample to make an estimate for the number of As and Bs in the bag. Then describe the variation of the six estimates. Make estimates for the numbers of As, Bs, and Cs in the bag based on all the samples. c. Take the pieces of paper out of the bag. How do your estimates compare to the population? Do you think you can make a more accurate estimate? If so, explain how.
3. Data on different types of flat fish are showm below. Construct a (relative) irequency table and a bar chart. Flounder Halibut | Turbot | Turbot | Flounder Flounder Turbot Flounder Turbot Sole Sole Turbot Halibut Sole Flounder Turbot Sole Halibut Sole Flounder
1. Identify the population and the sample: a) A survey of 1353 American households found that 18% of the households own a computer. b) A recent survey of 2625 elementary school children found that 28% of the children could be classified obese. c) The average weight of every sixth person entering the mall within 3 hour period was 146 lb.
5) Which type of data is provided in the scenario given below? a.) neither accurate nor precise b.) accurate, but not precise c.) precise, but not accurate d.) precise and accurate
43) A plant manager is concerned with the variability of beer being filled in 12 oz. cans. The most appropriate control chart would be which of the following? A) x-bar chart B) R-chart C) p-chart D) c-chart E) None of the above 44) An airline company tracks the number of lost bags that occur each day. This is best monitored by which of the following control charts? A) x-bar chart B) R-chart C) p-chart D) c-chart E) None of the above 45) When receiving a shipment from a supplier, inspection must be done to check the fraction of defective products. This is best monitored by which of the following control charts? A) x-bar chart B) R-chart C) p-chart D) c-chart E) None of the above 46) A coffee dispenser is supposed to dispense coffee into an 8 o.z. cup. The average amount of coffee filled into the cup must be below 7.9. This is best monitored by which of the following control charts? A) x-bar chart B) R-chart C) p-chart D) c-chart E) None of the above 47) Which of the following control…
1. Suppose we want to sample a neighborhood for a community needs assessment. The neighborhood has 7 subdivisions and 3 of the 7 are to be collected for household sampling. How many different ways can we select these households? ·
1

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1. Explain whether each of the following constitutes a population or a sample. a.) Number of personal fouls committed by alL NBA players during the 2008-2009 sedson. b.) Yield of potatoes per dcre for 10 pieces of land c.) Weekly salaries of all employees of a compadny