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Identify the following as an experiment or an observational study.
-A high school student wonders if there is a correlation between the average life span of an animal and the
number of letters in its name. She gathers the following data:
She obtains a high correlation coefficient of 0.98 and concludes that using a linear model, the number of letters in an
animal's name can be used to predict its average life span.
Q4: The tropical rain forest biome is characterized
Q16: An example of an animal already extinct,
Q20: A researcher reports that a high correlation
Q47: <span class="ql-formula" data-value="\lim _ { x \rightarrow
Q71: The length of time it takes college
Q98: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8181/.jpg" alt=" A)
Q104: <span class="ql-formula" data-value="y = 1 - x
Q144: <span class="ql-formula" data-value="\int _ { 0 }
Q147: <span class="ql-formula" data-value="f ( x ) =
Q290: The two functions with infinitely many