Question: How do I find the chi-sqr statistic using this information? I'm not sure where I went wrong. Proportions : 50,30,11,9 percent Surveying : 1000 ppl

How do I find the chi-sqr statistic using this information? I'm not sure where I went wrong.

Proportions: 50,30,11,9 percent

Surveying: 1000 ppl

Frequencies (purchasing):

Store #1: 510

Store #2:300

Store #3:120

Store #4:70

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