Question

Rewa Delta Union Rugby CEO has become concerned about the slow pace of the rugby games
played in the current union rugby, fearing that it will lower the spectator attendance. The CEO
meets with the union rugby managers and referees and discusses guidelines for speeding up and
making the games more interesting and lively. Before the meeting, the mean duration of the 15-
sided rugby game time was 3 hours, 5 minutes, that is, 185 minutes. This includes all the breaks
and injury times during the game. A random sample of 36 of the 15-sided rugby games after the
meeting showed a mean of 179 minutes with a standard deviation of 12 minutes. Testing at the
1% significance level, can you conclude that the mean duration of 15-sided union rugby games
has decreased after the meeting?

Answer 1

Answer:

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