feels that the commute in his city is less and wants to publicize this. He randomly selects 25 commuters and finds the average is 22.1 minutes with a standard devia- tion of 5.3 minutes. At a = 0.10, is he correct? %3D Source: New York Times Almanac.

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 9CT
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amu mun nuo
19. Commute Time to Work A survey of 15 large U.S.
cities finds that the average commute time one way
is 25.4 minutes. A chamber of commerce executive
Technology Step by Step
TI-84 Plus
Hypothesis Test for the M
1. Enter the data values into L1.
2. Press STAT and move the c
3. Press 2 for T-Test.
Step by Step
4. Move the cursor to Data and
5. Type in the appropriate valu
Transcribed Image Text:amu mun nuo 19. Commute Time to Work A survey of 15 large U.S. cities finds that the average commute time one way is 25.4 minutes. A chamber of commerce executive Technology Step by Step TI-84 Plus Hypothesis Test for the M 1. Enter the data values into L1. 2. Press STAT and move the c 3. Press 2 for T-Test. Step by Step 4. Move the cursor to Data and 5. Type in the appropriate valu
feels that the commute in his city is less and wants to
publicize this. He randomly selects 25 commuters and
finds the average is 22.1 minutes with a standard devia-
tion of 5.3 minutes. At a= 0.10, is he correct?
%3D
Source: New York Times Almanac.
Transcribed Image Text:feels that the commute in his city is less and wants to publicize this. He randomly selects 25 commuters and finds the average is 22.1 minutes with a standard devia- tion of 5.3 minutes. At a= 0.10, is he correct? %3D Source: New York Times Almanac.
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