Elementary Statistics Math 274-08 (Online Homework: Section 3.2 Homework Score:

Question

Elementary Statistics Math 274-08 (Online Homework: Section 3.2 Homework Score: 0 of 1 pt 3.2.26-T Save 6of11(0complete) Hw Score: 0%, 0 of 11pts aestion Help * Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. another value, 8.00, is added to those listed in the data set, do the measures of variation change much? E cick the icon to view the table of magnades. an Without the extra data value, the range is Type an integer or decimal rounded to three decimal places as needed.) s for rchase ourse Enter your answer in the answer box and then click Check Answer 6partsning 8 4 8

Explanation / Answer

Without the extra data value Range is Max obs- Min obs = 4.69-1.14= 3.550

Standard deviation without adding any extra data= 0.652 ( By using excel function STDEV)

Variance= 0.652*0.652= 0.425

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