Percentile Speed 100% Max 34.060 97.5% 30.976 90.0% 28.978 75.0% Q3 25.785 50.0% Median 23.525 25.0% Q1 21.547 10.0% 19.163 16.638 2.5% 0.0% Page 0 156 T Min
Percentile Speed 100% Max 34.060 97.5% 30.976 90.0% 28.978 75.0% Q3 25.785 50.0% Median 23.525 25.0% Q1 21.547 10.0% 19.163 16.638 2.5% 0.0% Page 0 156 T Min
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 3CR
Related questions
Topic Video
Question
Check the model The mean of the 100 car speeds in Ex-
ercise 20 was 23.84 mph, with a standard deviation of
ercise 20 was 23.84 mph, with a standard deviation of
3.56 mph.
a) Using a Normal model, what values should border the
middle 95% of all car speeds?
b) Here are some summary statistics.From your answer in part a, how well does the model
do in predicting those percentiles? Are you surprised?
Explain.
a) Using a Normal model, what values should border the
middle 95% of all car speeds?
b) Here are some summary statistics.From your answer in part a, how well does the model
do in predicting those percentiles? Are you surprised?
Explain.
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