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- Why are two meaningful parts of a bimodal distribution often searched for? Choose the correct answer below. A. The two mounds of a bimodal distribution often represent two subgroups in which the members of each subgroup share an interesting characteristiC. B. The two tails of a bimodal distribution often represent the members of the group that share interesting characteristics. C. The two tails of a bimodal distribution often represent the members of the group that have no common characteristics. D. The two mounds of a bimodal distribution often represent two subgroups in which members of each subgroup have no common characteristics.
- For a density histogram.the area of a bar is equal to the relative frequency of the bar's class. Why can't there be a density bar graph? Choose the correct answer below. A. For a bar graph the area of a bar is equal to the frequency of observations , which cannot be used to build a density bar graph. B. For a bar graph, the width of a bar is not equal to a measurable quantity, so the area of a bar has no meaning. C. For a bar graph, the width of a bar is equal to the number of observations, and the area of a bar cannot be found from this information alone. D. For a bar graph, the width of a bar is equal to the frequency of observations, which cannot be used to build a density bar graph.
- Describe all similarities and differences between a frequency bar graph and a frequency histogram. Choose the correct answer below. A. Bar graphs and histograms can both be used to compare the sizes of different groups.Also, they can both be used with any numerical variable (discrete or cont touch. continuous). Histogram bars can touch, but bar-graph bars never B. Bar graphs and histograms can both be used to compare the sizes of different groups Bar-graph bars can touch.but histogram bars never touch. Histograms can be used with any numerical variable (discrete or continuous) and any number of observations, but bar graphs can only be used with discrete variables. C. Bar graphs and histograms can both be used to compare the sizes of different groups.Histogram bars can touch,but bar-graph bars never touch. Histograms can be used with any numerical variable (discrete or continuous) and any number of observations, but bar graphs can only be used with discrete variables. D. Bar graphs and histograms can both be used to compare the sizes of different groups. Histogram bars can touch, but bar-graph bars never touch. Bar graphs can be used with any numerical variable (discrete or continuous) and any number of observations but histograms can only be used with discrete variables.
- Identify whether the distribution of the given variable is skewed left, skewed right, or symmetriC. Explain. The weight (in pounds)of men. Choose the correct answer below. A. The distribution is skewed right because there are more underweight men than overweight men. B. The distribution is symmetric because there are about the same number of underweight men than overweight men, and most mon are neither underweight nor overweight. C. The distribution is skewed left because there are fewer underweight men than overweight men.
- Identify whether the distribution of the given variable is skewed left, skewed right, or symmetriC. Explain. The height (in inches)of a woman Choose the correct answer below. A. The distribution is skewed right because there are more short women than tall women. B. The distribution is symmetric because there are about the same number of short and tall women, and most women are neither short nor tall. C. The distribution is skewed right because there are about the same number of short and tall women, and most women are neither short nor tall. D. The distribution is skewed left because there are fewer short women than tall women.