Chapter 1: Q. 78. (page 53)
Die rolls Imagine rolling a fair, six-sided die 60 times. Draw a plausible graph of the distribution of die rolls. Should you use a bar graph or a histogram to display the data?
Chapter 1: Q. 78. (page 53)
Die rolls Imagine rolling a fair, six-sided die 60 times. Draw a plausible graph of the distribution of die rolls. Should you use a bar graph or a histogram to display the data?
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Get started for freeThe histogram shows the heights of 300 randomly selected high school students. Which of the following is the best description of the shape of the distribution of heights?
a. Roughly symmetric and single-peaked
b. Roughly symmetric and double-peaked
c. Roughly symmetric and multi-peaked
d. Skewed to the left
e. Skewed to the right
Going up? As of 2015, there were over 75,000 elevators in New York City. The frequency table summarizes data on the number of elevators of each type.
(a) Identify the individuals in this data set.
(b) Make a frequency bar graph to display the data. Describe what you see.
Phone navigation The bar graph displays data on the percent of smartphone owners in several age groups who say that they use their phone for turn-by-turn navigation.
(a) Describe what the graph reveals about the relationship between age group and use of smartphones for navigation.
(b) Would it be appropriate to make a pie chart of the data? Explain.
Shopping spree The stemplot displays data on the amount spent by 50 shoppers at a grocery store. Note that the values have been rounded to the nearest dollar.
Part (a) What was the smallest amount spent by any of the shoppers?
Part (b) Describe the distribution of amount spent by these 50 shoppers.
Binge-watchingDo you โbinge-watchโ television series by viewing multiple episodes of a series at one sitting? A survey of 800 people who binge-watch were asked how many episodes is too many to watch in one viewing session. The results are displayed in the bar graph. Explain how this graph is misleading.
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