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Questions 1 In a frequency distribution, what is the class width if the first class is 0-4 and the second class is 5-9?
2 What is the formula for calculating the relative frequency of a class?
3 Which of the following are requirements for choosing classes when constructing a frequency distribution for quantitative data?
4 A histogram that has a long right-hand tail is described as being:
5 Why can a histogram not be drawn for a frequency distribution that includes an open-ended class like '85 and older'?
6 Given the class 1.00-1.99 and the next class starting at 2.00, what is the class midpoint of the first class?
7 Which of the following statements are correct regarding the construction of an ogive?
8 If X is a continuous random variable, what is the probability that X is exactly equal to a specific value x?
9 According to the Empirical Law for normal distributions, what is the probability that a value falls within two standard deviations of the mean?
10 When constructing a frequency polygon, what value is used as the x-coordinate for each point? 