The data set below contains the average yearly retail gasoline prices (cents/gal

Question

The data set below contains the average yearly retail gasoline prices (cents/gallon) from 1990 to 2007, from a regional sample of gasoline stations, Complete parts a through c Year 19901991 1992 1993 1994 1995 1996 1997 1998 Price Year- Price 120 130 138 146178 205 195 249 293 Full data set 96 110 118 121 105 9710297 999 2000 20012002 2003 2004 20052006 2007 91 a) Create a histogram of the data and describe the distribution. Use 80 as the lower below limit for the first bin and use a class width of 20. Choose the correct graph OA. O B. O C. OD. L. 100 200 300 Price (centsigalion) 100 200 300 100 200 300 Price (cents/galion) 100 200 300 The distribution is I and b) Create a time series plot of the data and describe the trend. Choose the correct graph below D. O C. Cick to select your answer VIEW THIS ANSWER 10 5 Sid, Devison 82.00

Explanation / Answer

a) Option C gives correct histogram. The distribution is positively skewed.

b) Option A gives correct time series plot of given data.

It shows increasing trend.

C) Option C gives correct answer.

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