Refer to Exercise 8.S.I. Construct a scatterplot of the data. Does the appearance of the scatterplot indicate

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Refer to Exercise 8.S.I. Construct a scatterplot of the data. Does the appearance of the scatterplot indicate that the pairing was effective? Explain.
Exercise 8.S.I.
A volunteer working at an animal shelter conducted a study of the effect of catnip on cats at the shelter. She recorded the number of "negative interactions" each of 15 cats made in 15-minute periods before and after being given a teaspoon of catnip. The paired measurements were collected on the same day within 30 minutes of one another; the data are given in the accompanying table.29
(a) Construct a 95% confidence interval for the difference in mean number of negative interactions.
(b) Construct a 95% confidence interval the wrong way, using the independent-samples method. How does this interval differ from the one obtained in part (a)?
Refer to Exercise 8.S.I. Construct a scatterplot of the data.
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Related Book For  answer-question

Statistics For The Life Sciences

ISBN: 9780321989581

5th Edition

Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner

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