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A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below. At the .01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? What is the p-value hypothesis test?
Negatively Skewed
Describes a distribution of data where the tail is longer on the left side of the distribution's peak, indicating that the majority of values are to the right of the mean.
Standard Deviation
A statistic that measures the dispersion or spread of a set of data points relative to its mean.
Standard Deviation
A statistical measure that indicates the dispersion or variability of a set of data points in relation to their mean.
Variability
The extent to which data points in a data set or distribution differ from each other and from the central value (mean or median).
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