The upper boundaries for a distribution of waiting times (in seconds) in a grocery store aisle...

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The upper boundaries for a distribution of waiting times (in seconds) in a grocery store aisle...

The upper boundaries for a distribution of waiting times (in seconds) in a grocery store aisle are 48, 61, 74, and 87. List the value for each lower boundary in this distribution

math Statistics-And-Probability

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Answer 1

Answer #1

Upper boundries are 48, 61, 74, and 87
Class width = 61-48-1= 13-1=12

So lower boundries are
48-12 =36
61-12 = 49
74-12 = 62
87-12 = 75

So lower boundaries are 36,49,62,75

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Answer 2

Answer #2

in a grocery store aisle are 50, 62, 74, and 86. List the value for each lower boundary in this distribution.

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Answer 3

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