Question: There are different guidelines for calcium intake for children age 5-10 those aged 11-13. A study was conducted to determine if children consumed an adequate

There are different guidelines for calcium intake for children age 5-10 those aged 11-13. A study was conducted to determine if children consumed an adequate amount of calcium and yielded the following results.

Met requirements Age 5-10 Age 11-13
No 194 557
Yes 861 417

Test the null hypothesis that there are no differences between the two age groups in the proportion which met the requirements. Use a 5% level of significance. The value of the test statistic and the decision are

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