Elementary Statistics (12th Edition)

Published by Pearson

Chapter 3 - Statistics for Describing, Exploring, and Comparing Data - 3-2 Measures of Center - Basic Skills and Concepts - Page 90: 7

Answer

Mean:430.142, no mode, median: 393, midrange:435. The car with the lowest hic seams to be the safest, which is Elantra.

Work Step by Step

The meancan be counted by summing all the data and dividing it by the number of data: $\frac{371+356+393+544+326+520+501}{7}=430.142$, the mean hic is 430.142. The mode is the data occuring the most times but here all data occurs one time, therefore there is no mode. The median is the average of the 1 or 2 (here 1) middle data: 393/1=393, the median is 393. The midrange is the average of the highest and the lowest data: (544+326)/2=435, the midrange is 435. The car with the lowest hic seams to be the safest, which is Elantra.

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