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- The net weight in pounds of a packaged chemical herbicide is uniform for 49.75 < x < 50.25 pounds.Answer the following questions:a. Calculate the PDF, mean and variance of the weight of packagesThe council leaders of a small town would like to determine the average number of people living in each household. To accomplish this, they send a questionnaire to each residence listed in the town address records, asking the head of the household to record the number of people living in the dwelling. They follow this up with visits to those households that have not responded to the questionnaire until the data collection process is complete. Which of the following is the best description of the method for data collection used by the council leaders? (A) A convenience sample (B) A simple random sample (C) A stratified random sample (D) A cluster random sample (E) A censusActivity 1 Directions: Answer the following question. Use Microsoft Excel if necessary. 1. An insurance company would like to determine the proportion of all medical doctors who have been involved in one or more malpractice lawsuits. The company selects 500 doctors at random from a professional directory and determines the number in the sample who have been involved in a malpractice lawsuit. Identify the following: a. Population b. Sample c. Variable d. Level of Measurement used 2. Determine the correct data type (quantitative or qualitative). Indicate whether quantitative data are continuous or discrete the following: a. the number of pairs of shoes you own b. the type of car you drive c. the distance from your home to the nearest grocery store 3. The Whitcomb Company manufactures a metal ring for industrial engines that usually weig about 50 ounces. A random sample of 50 of these metal rings produced the following weights (in ounces). 51 53 56 50 44 47 53 53 42 57 46 55 41 44 52 56…
- Dr. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5I need help with #2, part F.For the three-part question that follows, provide your answer to each question in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A, Part B, and Part C.Part A: What is the term for a generalization made about a population using the data from a sample?Part B: Name one challenge that may occur when using a sample to draw a conclusion about a population.Part C: A researcher collects data about the annual salary of employees who work in the information technology field. It would be difficult to survey all employees, so a sample of the population is surveyed. The data is recorded below. Use the table to write one conclusion that can be drawn. Explain why this conclusion is valid. Salary Range (Per Year) Number of Employees $50,000-$59,999 147 $60,000-$69,999 159 $70,000-$79,999 225 $80,000-$89,999 27
- 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. MeanB. Read the given article/texts carefully. Then, complete the table and answer the questions that follow, Essential Question Text 1 Text 2 Text 3 The computer terminals in a school are labeled 1 to 300, The technician wants to know if the computers are in good working condition by testing 50 of these units. He randomly selects the 12th to be the first unit to be tested. Which computer unit will be tested next? Fifty people were surveyed The table shows the on the number of full-length frequency count of the employees' responses to the survey of employees' satisfaction level. A numerical rating of 5 is assigned to very satisfied (VS), 4 to satisfied (S), 3 to neutral (N), 2 to somewhat dissatisfied (SD), and 1 to very dissatisfied (VD). Number of Employces 25 movies watched in a year. Number of Movies Watched 19-21 16-18 13-15 Number of Регsons 1 5 7 10-12 7-9 8 4-6 0-3 At least how many movies should one watch to belong to upper 5th percentile? 12 15 Level of Satisfaction VS (5) S (4)…Classify each of the following as nominal, ordinal, interval, or ratio data and explain. a. the time required to produce each car on an assembly line. b. the number of litres of water a family drinks in a month. c. the ranking of four student projects in your class after they have been designated as excellent, good, satisfactory, and poor. d. the telephone area code of clients in India. e. Explain the four groups of data in detail.
