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On a standardized anagram task (anagrams are sets of scrambled letters that can be arranged to...

On a standardized anagram task (anagrams are sets of scrambled letters that can be arranged to form words e.g., ttass, rertor), people successfully completed an average of μ = 26 anagrams with σ = 4. A researcher would like to demonstrate that the arousal from anxiety is distracting and will decrease task performance. A sample of n = 14 anxiety-ridden subjects is tested on the task. The average number of anagrams solved is 23.36. Do the anxiety-ridden subjects show a decrease in task performance?

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5) On a standardized anagram task (scrambled letters), people successfully complete an average of μ =...
5) On a standardized anagram task (scrambled letters), people successfully complete an average of μ = 26 anagrams with σ = 4. This distribution is normal. A researcher would like to demonstrate that the arousal from anxiety is distracting and will decrease task performance. A sample of n = 14 anxiety-ridden subjects is tested on the task. The average number of anagrams solved is 23.36.      a) Do the anxiety-ridden subjects show a decrease in task performance? Test with α...
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