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A recent survey asked the following question: “Would you consider purchasing pet insurance?” 80% of the sample said no, and 20% of the sample said yes. Which of the following is true? The sample has low variability because this was a yes/no question. The sample has low variability because 80% said no. The sample has high variability because 80% said no. The sample has high variability because 20% said yes. Question 28 5 pts Which of the following is NOT an acceptable way to estimate variability? Assume the worst possible variability Use data from a previous study on the target population Estimate the standard deviation by dividing the range by 5 Conduct a pilot study of the target population