NBC claims that viewers spend a daily average of 1986 minute

NBC claims that viewers spend a daily average of 198.6 minutes watching their content. An advertiser wants to verify this and conducts a poll of 30 random viewers who claim to watch NBC. The poll showed that this group spends a daily average of211.4 minutes watching NBC with a standard deviation of 19.9 minutes. Use a 0.01 significance level to test the claim that the daily average amount of time NBC viewers watch NBC is at most 198.6 minutes, the average amount claimed by NBC.. Claim: which corresponds to Opposite: which corresponds to The test is: right-tailed : The test statistic is: 3.523 (to 3 decimals) The Critical Value is: 2.326 (to 3 decimals) Based on this we: Reject the null hypothesis Conclusion There does not appear to be enough evidence to support the claim that the daily average amount of time NBC viewers watch NBC is at most 198.6 minutes, the average amount claimed by NBC..

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