Refer to the accompanying​ table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of...




Refer to the accompanying​ table, which describes the number of adults in groups of five who reported sleepwalking. Find the mean and standard deviation for the numbers of sleepwalkers in groups of five.





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The mean is
nothing

​sleepwalker(s). ​(Round to one decimal place as​ needed.)

The standard deviation is
nothing

​sleepwalker(s). ​(Round to one decimal place as​ needed.)




































x


​P(x)




0


0.184


1


0.357


2


0.292


3


0.135


4


0.027


5


0.005






Jun 10, 2022
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