Find the sum of 0.333......and 0.444....
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The better statistics which can be used to compare the given distributions are mean and standard deviation.
<h3>What is a z-core?</h3>A z-core is also referred to as a standard score and it can be defined as a statistical measure of the distance between a data point (raw score) and the mean, especially when standard deviation units are used.
In Mathematics, z-scores can either be negative or positive and it is generally calculated by using this formula:
<u>Where:</u>
- x is the observed data or sample mean.
- u is the mean.
is the standard deviation.
In conclusion, the better statistics which can be used to compare the given distributions are mean and standard deviation.
Read more on standard deviation here: brainly.com/question/4302527