In 2010, the Pew Research Center questioned 1096 adults in the U.S. to estimate the proportion of thepopulation favoring marijuana use for medical purposes. It was found that 78% are in favor of usingmarijuana for medical purposes. State the individual; variable, population, sample, parameter andstatistic.PopulationSampleParameterIndividual/UnitVariableStatistica. one adult in the U.S.b. The 78 % in favor of using marijuana in the U.S.c. Whether or not an adult favors marijuana use for medical purposesd. The 78 % in favor of using marijuana in the study.e. The 1096 adults in the U.S. surveyedf. All adults in the U.S.

Population : Correct choice is (f) All adults in the U.S. Sample : Correct choice is (e)…

Answered: In 2010, the Pew Research Center…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation website, June 23, 2016). The sample data below show the number of companies providing health insurance for small, medium, and large companies. For the purposes of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and large companies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employees to indicate the size of the company. Health Insurance Size of Company Yes No Total Small 33 17 50 Medium 67 8 75 Large 89 11 100 Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company. What is the p-value? Compute the value of the x2 test statistic (to 2 decimals) A newspaper article indicated…
20 computer screens were randomly selected from a large collection of computer screens in a company’s warehouse. These 20 computer screens are referred to as the: test statistic. parameter. population. sample.
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Consider the following data set:1, 7, 2, 3, 5, 13, 18, 12, 9, 15, 18,19 a. Find the sample median. b. Find the lower quartile (?").c. Find the upper quartile (?#). d. Find the sample mean. e. Find the sample variance.
A website posts evaluations on airlines. It posts the most positive and the most negative comments for each airline. Discuss the usefulness of this feedback for a reader wanting to know about the airline. Choose the correct statement below. Select all that apply. A. The reader cannot accurately assess the airline because the method of choosing the sample is unclear. B. The reader can accurately assess the airline based on the posted evaluations. C. The reader cannot accurately assess the airline without reading all of the evaluations. D. The reader cannot accurately assess the airline because the evaluations posted are not necessarily representative of all the evaluations.
Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car. Car Sizes Compact Cars Midsize Cars Full-Size Cars 95 95 93 98 98 97 87 98 92 99 89 92 99 94 84 94 88 87 99 93 88 98 99 89 What conclusions can we draw from the follow-up t-tests? There is/are a total of ______ statistically significant difference(s) between car type pairs out of the follow-up t-tests. Options: a) 1 b) 2 c) 3 d) 4 e) 5 f) 6
Health insurer benefits vary by the size of the company. The sample data below show the number of companies providing health insurance for small, medium, and large companies. For the purpose of this study, small companies are companies that have fewer than 100 employees. Medium-sized companies have 100 to 999 employees, and largevcompanies have 1000 or more employees. The questionnaire sent to 225 employees asked whether or not the employee had health insurance and then asked the employee to indicate the size of the company. Health Insurance Size of company Yes No Total Small. 35 15 50 Medium 67 8 75 Large 87 13 100 A. Conduct a test of independence to determine whether health insurance coverage is independent of the size of the company. What is the p-value? Compute the value of the x2 test statistic (to 2 decimal)
Researchers want to estimate the percentage of people who thought drinking and driving was a serious problem. Reserchers waited outside a bar to question people. They usually find 11%of bar patrons believe drinking and driving is a serious problem. a. identify the populatin of interest b. identify the sample c. identify the population parameter of interest d. identifywho if anyone was left out of the study
please complete the blank problem and or ones with a red x next to it not ones with a green check next to please
Using the following information: identify the population, sample, statistic, and parameter. Political pollsters are often interested in gaining information about the proportion of Americans who will vote for a candidate before the actual election. One group of pollsters conducted a survey of 50,000 people to find out if they planned on voting for Trump in the next presidential election.
A Hospital record for a patient indicates the patient's assigned department, room location and number of days the patient was treated. Classify each variable as qualitative or quantitative. A sample data table is listed below. Department Room Location Days of Treatment Maternity A102 2 Cardiac G210 5 Orthopedic C309 3
Read the scenario below. Identify the population and sample. Then determine if the bolded value is a parameter or a statistic. Use the appropriate symbol in your answer. A 1993 survey conducted by the Richmond Times-Dispatch one week before Election Day asked voters which candidate for the state's attorney general they would vote for. 37% of the respondents said they would vote for the Democratic candidate. On Election Day, 41% actually voted for the Democratic candidate. The population is The sample is This is a scenario involving The symbol goes with 37% because 37% is a The symbol v goes with 41% because 41% is a

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