Listed below are speeds​ (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at​3:30 P.M. on a weekday. Use the sample data to construct a 99​% confidence interval estimate of the population standard deviation.   a. The confidence interval estimate is ​mi/hless than sigma less than ​mi/h. ​(Round to one decimal place as​ needed.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 53E
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Listed below are speeds​ (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at​3:30 P.M. on a weekday. Use the sample data to construct a 99​% confidence interval estimate of the population standard deviation.

 

a. The confidence interval estimate is

​mi/hless than sigma less than ​mi/h.
​(Round to one decimal place as​ needed.)
60 64
64
56
64
52
59
58 59
69
62
68
Transcribed Image Text:60 64 64 56 64 52 59 58 59 69 62 68
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