The confidence interval shows a range of values that includes this parameter of the population with an ascribed degree of confidence: (1) Mean; (2) Standard deviation; (3) Variance; (4) None of the above
Step-by-step explanation:
<em>In statistics, a pair or several pairs of numbers between which it is estimated that there will be a certain unknown value with a certain probability of success is called a confidence interva</em>l.
<u>The standard deviation</u>, <em>is a measure used to quantify the variation or dispersion of a set of numerical data.
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<u><em>The answer is</em></u>: <u>(2) standard deviation</u>.