Consider the following table, which shows a data set relating the number of full days hikers spent on the Appalachian trail (a very long trail that attracts ambitious hikers), and the number of miles they hiked along the trail. x (full days of hiking) y (miles hiked) 9 139

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 3BGP
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Consider the following table, which shows a data set relating the number of full days hikers spent on the
Appalachian trail (a very long trail that attracts ambitious hikers), and the number of miles they hiked
along the trail.
x (full days of hiking) y (miles hiked)
9
1
64
8
5
14
10
19
2
13
46
12
139
16
800
112
73
249
136
310
32
205
787
210
Transcribed Image Text:Consider the following table, which shows a data set relating the number of full days hikers spent on the Appalachian trail (a very long trail that attracts ambitious hikers), and the number of miles they hiked along the trail. x (full days of hiking) y (miles hiked) 9 1 64 8 5 14 10 19 2 13 46 12 139 16 800 112 73 249 136 310 32 205 787 210
To check this is entered correctly on your calculator, press [stat], go to CALC, and select "2:2-Var Stats".
Run this on your two lists. When you scroll down the list, you should see Exy=105915
Enter this data into your calculator and obtain a linear equation of best fit using the linear regression
feature. Type the equation here in y = mx + b form, rounding m and b to two decimal places.
Based on your regression equation above, predict how many miles a hiker would be able to hike on the
Appalachian trail if they planned to hike for 33 days. Round your answer to the nearest full mile.
miles
If a typical hiker wanted to see a solid 365-mile stretch of the Appalachian Trail, how many days should
they plan to hike? Round up to the next full day.
days
Transcribed Image Text:To check this is entered correctly on your calculator, press [stat], go to CALC, and select "2:2-Var Stats". Run this on your two lists. When you scroll down the list, you should see Exy=105915 Enter this data into your calculator and obtain a linear equation of best fit using the linear regression feature. Type the equation here in y = mx + b form, rounding m and b to two decimal places. Based on your regression equation above, predict how many miles a hiker would be able to hike on the Appalachian trail if they planned to hike for 33 days. Round your answer to the nearest full mile. miles If a typical hiker wanted to see a solid 365-mile stretch of the Appalachian Trail, how many days should they plan to hike? Round up to the next full day. days
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