An oceanographer measured the length, in meters, of a deepwater wave and its speed, in meters per second. The results are shown in the following table.

Wave Length (m)	Speed (m/s)
100	14.6
125	13.4
130	15.9
175	16.6
210	22.1
350	24.7
400	25.1

(a)Find the equation of a linear regression line for the data where wave length is the independent variable,x, and speed is the dependent variable. (Round your numerical values to two decimal places.)=

(b)Using the equation from part (a), estimate the speed (in meters per second) of a wave that is 200 m long. (Round your answer to one decimal place.) m/s