Answer:
hope you can understand
A company manufactures acoustic guitars. The table shows the number of units that the company sold each month over a nine-month
2 answers:
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Answer:
115.3 hertz
Step-by-step explanation:
For either interval, the value of the sample mean is given by the average of the lower and upper bound of the confidence interval. Since both intervals were constructed by using the same sample, both values should be equal.
For the first interval:
For the second interval: