(20.37) Researchers claim that women speak significantly more
words per day than men. One estimate is...
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(20.37) Researchers claim that women speak significantly morewords per day than men. One estimate is that a woman uses about20,000 words per day while a man uses about 7,000. To investigatesuch claims, one study used a special device to record theconversations of male and female university students over a four-day period. From these recordings, the daily word count of the 20men in the study was determined. Here are their daily wordcounts:
28403
10087
15926
21694
37784
10581
12888
11080
17809
13175
8927
6490
8144
7010
4434
10056
4004
12632
10981
5260
What value we should remove from observation for applyingt procedures?
A 90% confidence interval (±±10) for the mean number of wordsper day of men at this university isfrom to words.
Is there evidence at the 10% level that the mean number of wordsper day of men at this university differs from 7000?
Yes
No
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4.1 Ratings (610 Votes)
from above90 confidence interval
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