A regression model relating x , number of salespersons at a branch office, to y, annual sales at the office (in thousands of dollars) provided the following regression output. Where n-total=34. ANOVA
df SS MS F Significance F
Regression 6,786.3
Residual
Total 9,062.7

Coefficients Standard Error t Stat P-value
Intercept 70.0 11.879
Number of Salespersons 58.0 5.250

Required:
a. Write the estimated regression equation (to whole number).
b. Compute the F statistic and test the significance of the relationship at a level of significance.

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which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

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step-by-step explanation: