A study measured how fast subjects could repeated push a button when under the effects of...

A study measured how fast subjects could repeated push a button when under the effects of the caffeine in Mountain Dew soda. Subjects were asked to push a button as many times as possible in two minutes after consuming the soda. During another test session they were asked to push the button after drinking a placebo. The subjects did not know which treatment they were administered each day and the order of the treatments was randomly assigned. The data, given in presses per two minutes for each treatment is on the right. Is there evidence to determine whether or not the caffeine in Mountain Dew results in a higher rate of beats, on average, per two-minute period? Perform a hypothesis test at the 0.10 level of significance and state your conclusion.

Beats Caffeine 281 284 300 421 240 294 377 345 303 340 408

Beats Placebo 201 262 283 290 259 291 354 346 283 391 411

Expert Solution

orchestra answered 1 year ago

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