# 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: 2004 Keywords: Frequency DistributionStockholderProblem StatementsSeparate PaperCumulative FrequencyClass IntervalsPerformanceRelevant StepsDistributionProbabilities

## Sample Document Text

Math 3342-001 Exam I July 14, 2004 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. (22 pts) The following are 14 measurements on the strength (pounds) of paper to be used in cardboard tubes: 21, 28, 29, 32, 35, 33, 27, 25, 31, 25, 18, 14, 20, 28 Find the following (if they exist) for the above measurements: a. mean b. median c. mode d. standard deviation e. Q1 f. Q3 g. range Construct the following for the above measurements: h. dot diagram j. box-whisker plot 2. (30 pts) In a 2-week study of productivity of workers, the following data were obtained on the total number of acceptable pieces which 50 workers produced: 65 36 49 84 79 56 28 43 67 36 43 78 37 40 68 72 55 62 22 82 88 50 60 56 57 46 39 57 73 65 59 48 76 74 70 51 40 75 56 45 35 62 52 63 32 80 64 53 74 34 a. Construct a frequency ...

## Related Documents

Class Intervals Notes
Problem Statements Exam
Problem Statements Exam
Problem Statements Exam
Functional Values Exam
Book Values Notes
Problem Statements Exam
Presentation Methods Notes
Independent Exam
The Independent Exam
Need to Know! Notes
Need to Know! Notes
Class Intervals Notes
Define Population Notes
Presentation Methods Notes
Appropriate Assumptions Exam