The Two Data Sets Are Dependent $$\overline { \mathrm { d } }$$

question 44

Multiple Choice

The two data sets are dependent. Find $$\overline { \mathrm { d } }$$ to the nearest tenth.
- $\begin{array}{l|lllll}\mathrm{A} & 69 & 66 & 61 & 63 & 51 \\\hline \mathrm{B} & 25 & 23 & 20 & 25 & 22\end{array}$

• A) \(48.8\)
• B) \(50.7\)
• C) \(23.4\)
• D) \(39.0\)

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Definitions:

Standard Error

A measure of the dispersion or variation of the sampling distribution of a statistic.

Level of Significance

The criterion used in statistical testing to decide whether to reject the null hypothesis, represented by a probability value (e.g., 0.05 or 5%).

Standard Error

A measure of the variability of a statistic from sample to sample, often used to quantify the accuracy of a sample mean.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, representing how spread out the values are from the mean.