income The average income in the sample was $553. Based on the least-squares line, the average grocery bill for this sample was approximately: O $100. $90. $95. $105.

The maximum discount value of the Entertainment® card for the "Fine Dining" section for various pages is given in the table below. Page number Maximum value ($) 4 17 14 18 25 16 32 18 43 18 57 15 72 16 85 14 90 18 Let page number be the independent variable and maximum value be the dependent variable. Part (a) Draw a scatter plot of the ordered pairs.         Part (b) Calculate the least-squares line. Put the equation in the form of:  ŷ = a + bx.  (Round your answers to three decimal places.) ŷ = ________ + __________ x Part (c) Find the correlation coefficient. (Round your answer to four decimal places.) r =  Is it significant? (Use a significance level of 0.05.) Yes No     Part (d) Find the estimated maximum values for the restaurants on page ten and on page 70. (Round your answers to the nearest cent.) Page 10: $ ____________ Page 70: $ ____________ Part (e) Does it appear that the restaurants giving the…

A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x= 3.6667, sy = 2.2509, y= 3.6833, s, = 1.8809, and r= - 0.9511, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 1 4 4 6 6 y 5.0 6.3 4.2 3.4 1.4 1.8 (a) Choose the correct graph below. OA. B. OC. OD. Ay 74 Ay Ay 7- .. .. There appears to be a linear, negative relationship. (b) y=x+ O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A. B. OC. D. Ay 0-

A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y (b) Given that x =3.5000, s, = 2.2583, y = 4.4667, s, = 1.7682, and r= -0.9416, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 6 3 4 5.4 68 5.6 4.0 2.3 2.7 1 y (a) Choose the correct graph below. O A Oc. Q There appears to be V relationship (b) y=+ O (Round to three decimal places as needed.) (c) Choose the correct graph below. O A OB. OC. OD.