# A researcher wanted to determine if babies were born at different rates in different months. Tracking...

###### Question:

A researcher wanted to determine if babies were born at different rates in different months. Tracking a random sample of birth records for one metropolitan area resulted in the following data. Use a chi-square critical value of 19.675.

 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec Observed 14 12 12 10 16 9 16 11 21 8 24 9
1. What are the null and alternate hypothesis for this test?
2. What is the expected number of babies for each month? Report as a decimal, if applicable.
3. Calculate the chi-square statistic. Show your work for at least one cell calculation and the final statistic.
4. Write a complete conclusion citing your statistics.

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