Question: An interviewer has been told to randomly select respondents and to include x = whether or not they are a college graduate among the data

An interviewer has been told to randomly select respondents and to include x = whether or not they are a college graduate among the data recorded. The categories of the first 30 persons interviewed, with G = college graduate and N = nongraduate, are shown in the sequence below. At the 0.10 level, evaluate the randomness of the sequence.

G NG N G N N G N G G NN NG N G G N N G N N G G NG N N G

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