Mathematics, 09.11.2019 05:31 wolfking800
Awashington, d. c., "think tank" announces the typical teenager sent 67 text messages per day in 2017. to update that estimate, you phone a sample of 12 teenagers and ask them how many text messages they sent the previous day. their responses were:
51 175 47 49 44 54 145 203 21 59 42 100
(a) state the decision rule for 0.05 significance level (round to 3 decimal places)
(b) compute the value of the test statistic (round to 3 decimal places)
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Awashington, d. c., "think tank" announces the typical teenager sent 67 text messages per day in 201...
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