A Recent Report Evaluated the Price and Performance of 25

question 73

Multiple Choice

A recent report evaluated the price and performance of 25 models of smartphones. Computer output gives the summary statistics for the prices ($) shown in the table. Based
On these results, which of the following is true? $$\begin{array} { | c | c | c | c | c | c | c | } \hline \text { Min } & \text { Q1 } & \text { Median } & \text { Q3 } & \text { Max } & \text { Mean } & \text { SD } \\\hline 50 & 85 & 108 & 227 & 550 & 120.75 & 42.08 \\\hline\end{array}$$

• A) The distribution is symmetric.
• B) The distribution is skewed to the right.
• C) The distribution is skewed to the left.
• D) The mean is a better measure of center for these data than the median.
• E) The standard deviation is larger than the range.

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Definitions:

Neuron

A neuron is a specialized cell transmitting nerve impulses; a nerve cell.

Myelin

Protective insulation that surrounds parts of neurons, increasing the speed of transmission of electrical impulses along brain cells.

Synapse

The junction between two neurons or a neuron and a muscle where electrical or chemical signals are transmitted.

Dendrite

A branched extension of a neuron that receives impulses from other neural cells and transmits them towards the cell body.