Essay
In an effort to raise ratings, a television network president decides to reduce the number of commercials. A random sample of eight one-hour programs was monitored from each of two major networks. The data below reflect the time in minutes of commercials for each of the 16 shows. Suppose
denotes the mean commercial time for network 1 and
denotes the mean commercial time for network 2. Estimate
-
using a 95% confidence interval. Assume both population distributions are normal and have equal variances. 
Correct Answer:

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Summary statistics:
Network 1:
= 8,
= ...View Answer
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Correct Answer:
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Network 1:
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