The following data represent the number of people in a particular state aged 18 to 67 with a high school education

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The following data represent the number of people in a particular state aged 18 to 67 with a high school education.

18-27: 200

28-37: 206

38-47: 191

48-57: 155

58-67: 190

(a) What is the number of classes?

(b) What are the class limits for the second class?

(c) What is the class width?

(a) 5

(b) Lower: 28 / Upper: 37

(c) 10

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