1 33 The U S Department of Education reported that 14 of adults were classied as being below a basic literacy level, 29 were classied as being at a basic literacy level, 44 were classied as being at an intermediate literacy level, and 13 were classied as being at a procient level (2003 National Ass...

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1.33 The U.S. Department of Education reported that 14% of adults were classied as being below a...

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1.33 The U.S. Department of Education reported that 14% of adults were classiﬁed as being below a basic literacy level, 29% were classiﬁed as being at a basic literacy level, 44% were classiﬁed as being at an intermediate literacy level, and 13% were classiﬁed as being at a proﬁcient level (2003 National Assessment of Adult Literacy).

a. Is the variable literacy level categorical or numerical?

b. Construct a bar chart to display the given data on literacy level.

c. Would it be appropriate to display the given information using a dotplot? Explain why or why not.

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