Reconsider the previous two exercises. a. Use the simulation analysis to produce a 95% confidence interval for

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Reconsider the previous two exercises.
a. Use the simulation analysis to produce a 95% confidence interval for the relevant parameter. Interpret what the interval reveals.
b. Determine a 95% theory-based paired t-interval for the relevant parameter. Interpret what the interval reveals.


Data from previous exercise

A student who did volunteer work at an animal shelter wanted to see if cats really respond aggressively to catnip (Jovan, Stats magazine, 1999). Using a sample of 15 cats, she recorded how many €œnegative interactions€ (such as hissing or clawing) each cat engaged in during a 15-minute period prior to being given a teaspoon of catnip and also in the following 15-minute period. Her conjecture was that the number of negative interactions would increase after the introduction of the catnip. Her data follow:

Negative interactions before catnip Negative interactions after catnip Cat name Amelia Bathsheba 3 6. Boris 4. Frank Jup

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Introduction To Statistical Investigations

ISBN: 9781118172148

1st Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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