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Mathematics, 29.11.2021 20:30 marcgtz511p3pln7
Application 2.5 Do cut flowers benefit from sugar in the water?
poes adding sugar to the water in a vase help flowers stay fresh? To find out, two statistics students went to a
Aower shop and randomly selected 12 carnations. When they got home, the students prepared 12 identical vases
with exactly the same amount of water in each vase. They put one tablespoon of sugar in 3 vases, two tablespoons
of sugar in 3 vases, and three tablespoons of sugar in 3 vases. In the remaining 3 vases, they put no sugar. After
the
vases were prepared, the students randomly assigned
1 carnation to each vase and observed how many hours
each flower continued to look fresh.
Here
with
the
is a scatterplot along
Freshness = 180.8 + 15.8(sugar).
regression
line
1. Find the predicted value for the flower that had 2 tablespoons of
sugar. Show work.
Freshness (hours)
2401
230
220
-210
200
190
180
170
160
0.0 0.5 10 15 20 25 3.0
Sugar (tbs)
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Application 2.5 Do cut flowers benefit from sugar in the water?
poes adding sugar to the water in...
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