Answer:
<h2>69.5</h2>
Step-by-step explanation:
Given the confidence interval of the heights of american heights given as (65.3,73.7);
Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7
Sample mean will be the average of both confidence interval . This is expressed mathematically as 

Hence, the sample mean is 69.5
The answer is simple. 6 x 6 = 36.
Answer:
ill answer if u can make it english
Step-by-step explanation:
Answer:

Step-by-step explanation:
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