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In Exercise, find the (a) mean, (b) median, (c) mode, and

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 8BSC Chapter 3.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 8BSC

Problem 8BSC

In Exercise, find the (a) mean, (b) median, (c) mode, and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions.

Tests of Child Booster Seats The National Highway Traffic Safety Administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in “hie,” which is a measurement of a standard “head injury criterion.” According to the safety requirement, the hie measurement should be less than 1000 hie. Do the results suggest that all child booster seats meet the specified requirement?

774  649  1210   546   431  612

Step-by-Step Solution:
Step 1 of 3

Solution 8BSC

  1. The mean crash tests of child booster seats for cars with the measurement hic is

703.7 hic.

  1. The median crash tests of child booster seats for cars with the measurement hic are 630.5 hic.
  2. We know that mode is the value that repeats maximum number of times in the given data set. Therefore, the median crash tests of child booster seats for cars with the measurement hic is none, because no value repeated more than once in the given data set.
  3. The midrange crash tests of child booster seats for cars with the measurement hic are 820.5 hic.

Explain: Yes, the results suggest that all child booster seats meet the specified requirement. Since, all the measures of center are less than 1000 hic.

Step 2 of 3

Chapter 3.2, Problem 8BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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In Exercise, find the (a) mean, (b) median, (c) mode, and