7. The principal notices many students Open with late every day. She asks the secretary to...
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7. The principal notices many students Open with late every day. She asks the secretary to record the reasons students give on their late slips for one week so she can find a solution to the problem. a) Identify who is the population and who is the sample. > Population: Sample: b) Is this a primary or secondary source of data? Explain. > 8. Identify the type of bias in each survey question. a) A Canadian Football League team hands out a survey at a home game. The survey asks: "Should the provincial and federal governments help build a new stadium and save the team from being relocated?" b) Shoppers at a mall are asked: + 1. The final grades for the students in Mr. Note's music class are listed below. 83 81 98 81 25 30 66 65 71 88 96 97 53 84 91 55 33 74 87 50 76 63 74 78 80 94 41 90 47 88 82 81 67 89 81 92 a) Complete the frequency distribution table. Interval Tally [20-30) [31-40) [41-50) [51-60) [61-70) [71-80) [81-90) [91-100) TOTAL Frequency b) Create a histogram to display the data. Don't forget to title graph and label axes appropriately c) Join the middle of each bar to create a distribution curve. Describe the distribution. 4. Match the terms with the definitions: 3 Term Voluntary Sample Convenience Sample Simple Random Sample Answer Definition a) Every nth person is selected b) Each member has an equal chance of being selected c) Members who have chosen to respond d) Members who are most easily to contact variance = standard deviation = variance = standard deviation = d) At the end of the year both Brittney and Jake ask their employer for a pay raise. Who deserves the raise? Brittney or Jake? Explain your reasoning. 6. Below is a frequency distribution table for the amount of time spent on math homework. Calculate the percent for each time interval and draw one conclusion from the data given. Time Spent on Math Homework Less than 10 min 11-20 min 21-30 min More than 30 min Frequency 6 Percent 4 11 4 TOTAL 25 100% Conclusion: 9. Rewrite each survey question from question #8 above to remove the bias. 10. Pick 2 terms and explain what they mean: discrete, continuous or categorical data: 7. The principal notices many students Open with late every day. She asks the secretary to record the reasons students give on their late slips for one week so she can find a solution to the problem. a) Identify who is the population and who is the sample. > Population: Sample: b) Is this a primary or secondary source of data? Explain. > 8. Identify the type of bias in each survey question. a) A Canadian Football League team hands out a survey at a home game. The survey asks: "Should the provincial and federal governments help build a new stadium and save the team from being relocated?" b) Shoppers at a mall are asked: + 1. The final grades for the students in Mr. Note's music class are listed below. 83 81 98 81 25 30 66 65 71 88 96 97 53 84 91 55 33 74 87 50 76 63 74 78 80 94 41 90 47 88 82 81 67 89 81 92 a) Complete the frequency distribution table. Interval Tally [20-30) [31-40) [41-50) [51-60) [61-70) [71-80) [81-90) [91-100) TOTAL Frequency b) Create a histogram to display the data. Don't forget to title graph and label axes appropriately c) Join the middle of each bar to create a distribution curve. Describe the distribution. 4. Match the terms with the definitions: 3 Term Voluntary Sample Convenience Sample Simple Random Sample Answer Definition a) Every nth person is selected b) Each member has an equal chance of being selected c) Members who have chosen to respond d) Members who are most easily to contact variance = standard deviation = variance = standard deviation = d) At the end of the year both Brittney and Jake ask their employer for a pay raise. Who deserves the raise? Brittney or Jake? Explain your reasoning. 6. Below is a frequency distribution table for the amount of time spent on math homework. Calculate the percent for each time interval and draw one conclusion from the data given. Time Spent on Math Homework Less than 10 min 11-20 min 21-30 min More than 30 min Frequency 6 Percent 4 11 4 TOTAL 25 100% Conclusion: 9. Rewrite each survey question from question #8 above to remove the bias. 10. Pick 2 terms and explain what they mean: discrete, continuous or categorical data:
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Related Book For
Introduction To Health Care Management
ISBN: 9781284081015
3rd Edition
Authors: Sharon B. Buchbinder, Nancy H. Shanks
Posted Date:
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