(Answered) Question a study is done to determine which of two soft

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Question: A study is done to determine which of two soft drinks has more sugar. There are 13 cans of Beverage A in a sample and six cans of Beverage B. The mean amount of sugar in Beverage A is 36 grams with a standard deviation of 0.6 grams. The mean amount of sugar in Beverage B is 38 grams with a standard deviation of 0.8 grams. The researchers believe that Beverage B has more sugar than Beverage A, on average. Both populations have normal distributions

1. Are standard deviations known or unknown?

2. What is the random variable?

3. Is this a one-tailed or two-tailed test

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