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A study by a web metrics firm Hitwise showed that in 2008 the mean time spent
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A study by a web metrics firm Hitwise showed that in 2008 the mean time spent per visit to Facebook was 19.5 minutes. A random sample of 100 Facebook users in 2015 showed a mean time per visit of 21.5 minutes with a standard deviation of 8.1 minutes. At a significance level of 0.05, can we conclude that the mean time per visit to Facebook has increased since 2008?
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H0: .......
H1:.......
alpha = ........
p-value = ........
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[Solved] A study by a web metrics firm Hitwise showed that in 2008 the mean time spent
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- Submitted On 31 Aug, 2020 10:33:24
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