Preliminary Calculations

Round Preliminary Values to the nearest whole number.

Summary Table for:	Live Births
Mean
Median
Sample Standard Deviation
Minimum
Maximum
Sample Size

Summary Table for:	Deaths
Mean
Median
Sample Standard Deviation
Minimum
Maximum
Sample Size

Summary Table for:	Divorces
Mean
Median
Sample Standard Deviation
Minimum
Maximum
Sample Size

Summary Table for:	Marriages
Mean
Median
Sample Standard Deviation
Minimum
Maximum
Sample Size

Hypothesis Testing

With the information that you gather from the Summary Tables above, test the following (you can use excel when appropriate):

Hypothesis Test #1:

Determine if there is sufficient evidence to conclude the average amount of births is over 5000 in the United States and territories at the 0.05 level of significance.

Step 1: Clearly state a null and alternative hypothesis, identify the claim, and the type of test.

Ho: =

Ha:

Circle One: Left Tailed Test Right Tailed Test Two-Tailed Test

Step 2: Determine the Rejection Region

Pick ONE multiple choice answer below and fill in the critical value. Round Critical Value to two decimal places.

a) Reject Ho if Z