How much does cell phone use while driving impair reaction time compared with listening to the radio? A random sample of 32 adult drivers took a familiar simulated driving skill test twice, once while operating a cell phone and once while listening to the radio. The order of the conditions was randomized and reaction time (in ms) was assessed for each person in both tasks.
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Obtain a 98% confidence interval for the relevant parameter.
This interval can be expressed in a (lower bound, upper bound) format. Enter the values of the lower and upper bounds below, rounded to one decimal place (for ex. 1.1, no letters or text):

Lower bound for the 98% confidence interval:

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Upper bound for the 98% confidence interval:

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