What is the trend? How does this trend compare to the trend for drive-in movie t
ID: 3178995 • Letter: W
Question
What is the trend? How does this trend compare to the trend for drive-in movie theaters? Choose the correct answer from below. A. There appears to be an downward trend, similar to drive-in movie theaters, which also have a downward trend. B. There appears to be an upward trend, unlike drive-in movie theaters, which have a downward trend. C. There appears to be an upward then downward trend, unlike drive-in movie theaters, which only have a downward trend. The data table to the right represents the volumes of a generic soda brand. Which plot represents a dotplot of the data? Does the configuration of the points appear to suggest that the volumes are from a population with a normal distribution? A. Yes, the population appears to have a normal distribution because the dotplot resembles a "bell" shape. B. No, the population does not appear to have a normal distribution because the dotplot does not resemble a "bell" shape. C. Yes, the population appears to have a normal distribution because the frequencies of the volume increase from left to right. D. No, the population does not appear to have a normal distribution because the frequencies of the volume decrease from left to right.Explanation / Answer
What is the trend? How does this trend compare to the trend for the drive-in movie theater?
ANS:
B. There appears to be an upward trend, unlike drive-in movie theaters, which have a downward trend.
03) Which plot represent a dot plot of data?
ANS: B.
Does the configuration of the points appear to suggest that the volumes are from a population with a normal population?
ANS: A. Yes, the population appears to have a normal distribution because the dotplot resembles a "bell" shape.
When graphed, a normal distribution has an approximate "bell" shape. In a normal distribution, (1) the frequencies increase to a maximum and then decrease, and (2) the graph has symmetry, with the left half of the graph being roughly a mirror image of the right half.
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