# Past Exam for MATH 3342 - Mathematical Statistics for Engineers and Scientists at Texas Tech (TTU)

## Exam Information

 Material Type: Exam 1 Professor: Staff Class: MATH 3342 - Mathematical Statistics for Engineers and Scientists Subject: MATHEMATICS University: Texas Tech University Term: Spring 2007 Keywords: Either...orProblem StatementsFrequency DistributionSeparate PaperRelevant StepsTransmissionAssociationQuestion SheetDistributionContingency

## Sample Document Text

Math 3342-001 Exam I July 14, 2006 Answer the problems on separate paper. You do not need to rewrite the problem statements on your answer sheets. Do your own work. Show all relevant steps which lead to your solutions. Attach this question sheet to the front of your answer sheets. 1. (24 pts) The following are 20 measurements on the strength (pounds) of paper to be used in cardboard tubes: 43 78 37 40 68 72 55 62 22 82 78 60 50 66 47 56 29 67 83 55 Find the following (if they exist) for the above measurements: a. mean b. median c. mode d. variance e. Q 1 f. Q 3 g. interquartile range h. max i. min j. range Construct the following for the above measurements: k. dot diagram l. modified box-whisker plot 2. In a 2-week study of productivity of workers, the following data were obtained on the total number of acceptable pieces which 40 workers produced: 55 46 39 74 69 65 38 33 57 46 53 68 47 30 58 82 65 52 26 72 65 36 49 84 79 56 28 43 67 36 49 58 66 84 60 61 50 65 66 35 a. (12 pts) Constr...

## Related Documents

Class Intervals Notes
Need to Know! Notes
Need to Know! Notes
Either...or Exam
Affiliation Exam
Either...or Exam
Either...or Exam
Independent Exam
Sampling Units Notes
Affiliation Exam
Universal Product Codes Notes
Family Types Notes
Probabilities Exam
Provided That Exam
Single Item Exam
Either...or Exam