#include #define N 10 int main(){ float x[N]={1,2,3,4,... ,10}, y[N]={-3, 2.9, 0.5, , 2.4}; float xysum=0.0, xsum=0.0, ysum=0.0, x2sum=0.0; float a, b; int i; for (i=0; i< N; i++) { xsum = xsum + x[i]; ysum = ysum + y[i]; xysum = xysum + x[i]*y[i]; x2sum = x2sum + x[i]*x[i]; } a = ; b = ; printf("The regression line is %f x + %f.\n", a, b); return 0; }

Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer