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A car insurance company performed a study to determine whether an association exists between age and the frequency of car accidents. They randomly selected 300

A car insurance company performed a study to determine whether an association exists between age and the frequency of car accidents. They randomly selected 300 claims and obtained the following sample data.

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Rows: Number of Accidents Columns: Worksheet columns Under 25 25 to 45 Over 45 All 0 74 90 84 248 82.67 82.67 82.67 -0.9532 0.8066 0.1466 19 8 12 39 13.00 13.00 13.00 1.6641 -1.3868 -0.2774 2+ 7 2 4 13 4.33 4.33 4.33 1.2810 -1.1209 -0.1601 All 100 100 100 300 Cell Contents Count Expected count Standardized residual Chi-Square Test Chi-Square DF P-Value Pearson 9.273 4 0.055Age Group Under 25 25-45 Over 45 Total Number of 74 90 84 248 accidents in 1 19 12 39 N DO past 3 years >1 7 4 13 Total 100 100 100 300

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