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I have two questions.

1) if two sets of data have different sample numbers, then can we perform any significant test (e.g., anova, tukey had) to see whether there is a significant difference between the two sets of data?

2) This is a totally different question with (1). 80 blind people picked out one of 4 fruits from a basket. The results show that 64 blinds picked an apple, 16 blinds picked a strawberry, 13 blinds picked a banana, and 7 blinds picked an orange. Can we discover if the apples were picked by a chance or it has some statistical meaning? If so, can we use Chi square test?

Thanks in advance.

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# Significant test please help

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