The following gives the number of accidents that occurred on Florida State Highw

Question

The following gives the number of accidents that occurred on Florida State Highway 101 during the last 4 months

Month

Jan

Feb

Mar

Apr

Number of Accidents

30

40

64

95

Using the least-squares regression method, the trend equation for forecasting is (round your responses to two decimal

places):

y= __+___x

Using least-squares regression, the forecast for the number of accidents that will occur in the month of May =_____ accidents (enter your response as a whole number).

Fill in hte blanks.

Month

Jan

Feb

Mar

Apr

Number of Accidents

30

40

64

95

Explanation / Answer

From statistical software output, the trend equation will be:

y = 2.5 + 21.9 x

For May, x = 5

So,

y = 2.5 + 21.9(5)

y = 112

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