Topics: Automobile, Mean, Arithmetic mean Pages: 11 (1239 words) Published: October 29, 2013

March 15, 2012

State: Rhode Island
Keys
Crash Month:
1: January
2: February
3: March
4: April
5: May
6: June
7: July
8: August
9: September
10: October
11: November
12: December

Person Type:
1: Driver of a Motor Vehicle In-Transport
2: Passenger of a Motor Vehicle In-Transport
3: Occupant of a Motor Vehicle Not In-Transport
4: Occupant of a Non-Motor Vehicle Transport Device
5: Pedestrian
6: Bicyclist
7: Other Cyclist
8: Persons on Personal Conveyances
9: Unknown Occupant Type in a Motor Vehicle In-Transport
10: Persons In/On Buildings

Year 1994

Descriptive Statistics: Number of Fatalities in Vehicle in 1994

Variable N N* Mean SE Mean StDev Minimum Q1 Median Q3 vfatcount 284 0 0.4085 0.0292 0.4924 0.0000 0.0000 0.0000 1.0000

Variable Maximum
vfatcount 1.0000

In Rhode Island, the total number of crashes recorded in 1994 was 284. The maximum number of fatalities per crash was one and the average number of fatalities per crash was 0.4085. This means that there were more non-fatal crashes than there were fatal crashes.

Descriptive Statistics: Number of Occupants in 1994

Variable N N* Mean SE Mean StDev Minimum Q1 Median Q3 inumoccs 284 0 1.9507 0.0712 1.1997 1.0000 1.0000 1.0000 3.0000

Variable Maximum
inumoccs 5.0000

The number of occupants in the vehicles for each of the 284 crashes were recorded. The maximum number in one car in a crash was five. The average number of occupants in a car was 1.9507. This means that about two people were in a car during a crash. However, as shown in the graph, the most frequent number of people in a car during a crash was one.

Descriptive Statistics: Number of Fatalities in Vehicle – by Person Type in 1994

Variable iptype N N* Mean SE Mean StDev Minimum Q1 vfatcount 1 158 0 0.4304 0.0395 0.4967 0.0000 0.0000 2 101 0 0.4455 0.0497 0.4995 0.0000 0.0000 3 1 0 0.000000 * * 0.000000 * 5 19 0 0.000000 0.000000 0.000000 0.000000 0.000000 6 1 0 0.000000 * * 0.000000 * 8 1 0 0.000000 * * 0.000000 * 9 3 0 1.0000 0.000000 0.000000 1.0000 1.0000

Variable iptype Median Q3 Maximum
vfatcount 1 0.0000 1.0000 1.0000
2 0.0000 1.0000 1.0000
3 0.000000 * 0.000000
5 0.000000 0.000000 0.000000
6 0.000000 * 0.000000
8 0.000000 * 0.000000
9 1.0000 1.0000 1.0000

This set of data describes the average number of deaths based on where each person was in the vehicle. Of the 158 drivers of cars in motion there was on average of 0.4304 deaths. The maximum was one but there were overall more survivals than deaths. Of the 101 passengers in moving cars, only 0.4455 deaths occurred on average. Of the three unknown placement occupants in a moving car, an average of one person died. Overall, there were 158 drivers killed, 101 passengers, and 5 pedestrians killed.

Descriptive Statistics: Number of Fatalities in Vehicle – by Crash Month

Variable iaccmon N N* Mean SE Mean StDev Minimum Q1 Median vfatcount 1 31 0 0.2903 0.0829 0.4614 0.0000 0.0000 0.0000 2 27 0 0.2963 0.0896 0.4653 0.0000 0.0000 0.0000 3 24 0 0.458 0.104 0.509 0.000 0.000 0.000 4 16 0 0.438 0.128 0.512 0.000 0.000 0.000 5 22 0 0.0455 0.0455 0.2132 0.0000 0.0000 0.0000 6 9 0 0.444...