Identify the population, the sample, and any population parameters or sample statisticsin the given scenario.A recent poll of 1215 corporate executives showed that the average price of acorporate executive's car is $45,599.12.A) Population: corporate executives; Sample: none given; Population Parameter:$45,599B) Population: corporate executives; Sample: 1215 corporate executives polled;Sample Statistic: $45,599C) Population: none given; Sample: 1215 corporate executives polled; SampleStatistic: $45,599D) Population: corporate executives; Sample: 1215 corporate executives polled%3BPopulation Parameter: $45,599

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Answered: Identify the population, the sample,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1. Fill in the blanks for each of the statements below. а. A survey of 1000 U.S. adults found that 40% think the internet is the best way to get news and information. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the 40% a parameter or statistic, and why? b. A survey of the 55 law firms in a local city found that the average hourly billing rate is $425. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the $425 a parameter or statistic, and why?.
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
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
Determine what the key terms refer to in the following survey. To determine the average number of classes Oxnard College students were taking, a group of 26 Oxnard College students answered the following question: How many classes you are taking this semester? Link the following terms to the appropriate statement. | Sample | Population Statistic Parameter a. The average number of classes of all students in Oxnard College is 2.9 b. The 26 Oxnard College students who were surveyed c. The average number of classes of those 26 students in the sample is 2.3 d. All students in Oxnard College
Find the sample mean for the following data set 82,52,59,41,59,53,69,30
A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 90% confident that his estimate is in error by no more than five percentage points question marks? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems.
Determine the question (X) that converts eachsituation to Yes/No data.a) The proportion of cars that are silver.b) Voter percentage who favor candidate Jones.c) The proportion of defective items
Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?
Does the Midwest, or Northeast, seem to have a higher percent of graduates taking the SAT? 700 State mean SAT mathematics score 450 059 009 550 005 400 0 Northeast states Midwest states 20 OH IN = Midwest states += Northeast states 40 60 80 Percent of graduates taking the SAT 100
3. Consider a data set for which the "individuals" are restaurants in King County, Washington. a. Create a categorical variable that could be used to describe an individual restaurant in this data set. b. Create a quantitative variable that could be used to describe an individual restaurant in this data set and clearly state what units your variable would have.
Executives at The Thinking Channel have decided to test whether the educational backgrounds of the channel's viewers are different from the educational backgrounds of American adults (ages 25 and over) as a whole. The executives have the following information on the American adult population as a whole, obtained from a recent U.S. Current Population Survey.

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