The amount of fertilizer, x, that Janet feeds her foxgloves is related to their maximum height y. Last season, she found

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The amount of fertilizer, x, that Janet feeds her foxgloves
is related to their maximum height y. Last season, she found
the following data:
What is the value of the correlation coefficient? Round your
answer to four decimal places.
Correlation
coefficient:
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Problem 47.
(1 point)
Jerome asked 19 people to install an app that recorded the
amount of time that they spent on their phones each day and found
an average of 279 minutes. From earlier studies, he assumes that
times are normally distributed with standard
deviation σ=41 minutes. Calculate a 96% confidence
interval for the population mean. Round the endpoints to the
nearest minute.
Confidence
interval: ( , ) (Remember to round to the
nearest minute!)