Compare graphs identify what type of graph it is. Identify if you would use medi

Question

Compare graphs

identify what type of graph it is.

Identify if you would use median or mean and or IQR to indentify the center and spread of the data sets.

what is the value of the center?

Compare spreads for 04-05 and 05-06

note changes in variability between the two one year periods using the data.

the graph labled 05-06 is for 2005-2006 reflecting snowfall in Brooklyn.

The graph with no year at the top is 2004-2005 snowfall in Brooklyn

P8 KINGS COUNTY 05-06 Normal: Mean=0.562, SD=2.327 Column1 Column2 Freqiency 100 80 60 40 20 0.744444444 0.282029877 6 Mean 7 Standard Errr 8 Median 9 Mode 10 Standard Deviatior 11 Sample Variance 12 Kurtosis 2.675570342 7.158676654 20.17627555 4.441465143 16 13 Skewness 14 Range 15 Minimum 16 Maximum 17 Sum 18 Count 16 67 90 1 5 10 SNOVV IN INCES 19

Explanation / Answer

There is no gap between the bars and bars show freqeuncy for each class so graphs are histogram.

Both graphs are skewed to right so median will be appropriate measure of central tendancy and IQR will be appropriate measure of central tendancy.

For graph 05-06: Graph shows the summary statistics. So median will be zero.

For second graph: Graph shows the summary statistics. So median will be zero.

Graph for year 2004-2005 shows more variability incomparison to year 2005-2006. Second graph has spread from 0 to 20 and first graph has spread from 0 to 15.

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