Question: Scientists are conducting an experiment to test whether drinking coffee lowers blood sugar levels. They sample 10 people who do not drink coffee to start

Scientists are conducting an experiment to test whether drinking coffee lowers blood sugar levels. They sample 10 people who do not drink coffee to start a 1-month trial run of drinking 3 coffee cups a day. After the trial run, the blood sugar levels were measured and compared with their control values. If the data is below, can we conclude that drinking coffee effects blood sugar levels within a 5% significance level?

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