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 negative 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 Jupiter Lupine 4 5 Madonna Michelangelo Oregano 3 Phantom 5 Posh 1 Sawyer Scary Slater Tucker 2 2 2

Question: 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.

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

Negative interactions before catnip Negative interactions after catnip Cat name Amelia Bathsheba 3 6. Boris 4. Frank Jupiter Lupine 4 5 Madonna Michelangelo Oregano 3 Phantom 5 Posh 1 Sawyer Scary Slater Tucker 2. 2. 2.

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