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Author Question: If a data set is normally distributed, what is the proportion of measurements you would expect to ... (Read 107 times)

APUS57

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on: Jul 24, 2018
If a data set is normally distributed, what is the proportion of measurements you would expect to fall within
 
  A) 100 B) 95 C) 68 D) 50

Question 2

Name and describe the kind of bias that might be present if the statistics teacher decides that instead of randomly selecting students to survey on how they feel about the course she just
 
  a. asks students to volunteer for the survey.
  b. gives the survey during class one day.
 
  Management at a large retail chain is concerned about the possibility of drug abuse by people who work there. They decide to check on the extent of the problem by having a random sample of the employees undergo a drug test. Several plans for choosing the sample are proposed.
  a. Randomly select ten stores around the country and survey all the employees that work at those stores.
  b. Choose the fourth person that arrives to work for each shift.
  c. There are four employee classifications: supervisors, fulltime clerks, part-time clerks, and maintenance staff. Randomly select ten people from each category.
  d. Each employee has a three-digit identification number. Randomly choose 40 numbers.
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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kxciann

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Reply #1 on: Jul 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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APUS57

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Reply #2 on: Jul 24, 2018
Thank you!


kxciann

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Reply #3 on: Jul 24, 2018
Always glad to help...


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