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In an effort to raise ratings, a television network president decides to reduce the number of commercials. A random sample of 8 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.
What is the 95% confidence interval? (CI)
CI = ______________ Enter (n1, n2)
Since this interval contains zero, we are ______________ to say the two networks have significantly different commercial times.
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A system of governance or organizational leadership where authority is passed down through family lines.
Traditional Authority
Traditional authority is a form of leadership in which power is derived from established customs, cultural heritage, and historical precedence.
Tertiary Sector
A segment of the economy focused on providing services rather than producing goods, including sectors like retail, entertainment, and financial services.
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