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a) Determine the mode of the data.
b) Decide whether it would be appropriate to use either the mean or median as a measure of center. Explain your answer .

Road Rage. The report Controlling Road Rage: A Literature Review and Pilot Study was prepared for the AAA Foundation for Traffic Safety by D. Rathbone and J. Huckabee. The authors dis cussed the results of a literature review and pilot study on how to prevent aggressive driving and road rape. As described in the study druge is criminal behavior by motorists characterized by uncontrolled anger that results in violence or threatened violence on the road. One of the goals of the study was to determine when road mare occurs most often. The days on which 69 road rage incidents occurred are presented in the following table.

Short Answer

Expert verified

a) F.

b) The given data is inappropriate to use either the mean or the median as the measure of the center because the data is quantitative.

Reason: The data is quantitative, neither the mean nor the median are adequate measures of the centre.

Step by step solution

01

Step 1. Given information. 

We have given data for road rage incidents.

02

Step 2. To find mode. 

The greatest frequency is the mode of the data set.

Thus, the mode of the data set is F.

03

Step 3. Decide either the mean or median as a measure of center. 

The given data is inappropriate to use either the mean or the median as the measure of the center because the data is quantitative.

Because the data is quantitative, it is improper to use either the mean or the median as a measure of the centre.

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Most popular questions from this chapter

Simple data sets have been given for you to try locating the descriptive metrics mentioned in this section. For each data set separately.

(a) Calculate the quartiles,

(b) calculate the interquartile range

(c)compile a five-number summary.

1,2,3,4,5

How many standard deviations to either side of the mean must we go to ensure that for any data set, at least 95%of the observations lie within?

Consider the data set: 1,2,3,4,5,6,7,8,9.

a) Obtain the mean and median of the data.

b) Replace the 9in the data set by 99and again compare the mean and median. Decide which measure of the center works better here and explain your answer.

c) For the data set in part b) the mean is neither central nor typical for the data. The lack of what property of the mean accounts for this result.

The data set has size 40. Approximately how many observations lie within two standard deviations to either side of the mean?

The Etruscans. Anthropologists are still trying to unravel the mystery of the origins of the Etruscan empire, a highly advanced Italic civilization formed around the eighth century B.C. in central Italy. Were they native to the Italian peninsula or, as many aspects of their civilization suggest, did they migrate from the East by land or sea? The maximum head breadth, in millimeters, of 70modern Italian male skulls and that of 84preserved Etruscan male skulls were analyzed to help researchers decide whether the Etruscans were native to Italy. The resulting data can be found on the WeissStats site. [SOURCE: N. Barnicot and D. Brothwell, "The Evaluation of Metrical Data in the Comparison of Ancient and Modern Bones." In Medical Biology and Etruscan Origins, G. Wolstenholme and C. O'Connor, cds., Littlc, Brown \& Co., 1959]

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