An independent company regulary surveys car owners and asks them about the reliability of their cars. The following data represent the number of problems per 100 vehicles for the 2000 model year
for all makes. Use the data to complete parts a-c
Make A
Make B
Make C
Make D
Make E
169
171
207
Make C
Make D
Make E
210
220
Make F
Make G
Make H
Make I
Make J
(a) Round the data to the nearest tens.
Make A
Make B
Make F
Make G
Make H
Make I
Make J
250
257
257
269
270
Make K
Make L
Make M
Make N
Make O
Make K
Make L
Make M
Make N
Make O
ETTS
270
270
270
287
287
Make P
Make Q
Make R
Make S
Make T
Make P
Make Q
Make R
Make S
Make T
302
303
320
320
320
Make U
Make V
Make W
Make X
Make Y
Make U
Make V
Make W
Make X
Make Y
Full data set
330
340
362
407
422