A security firm wants to renew the uniforms used by his personnel. It starts by collecting data on their height and weight. The following data was collected from the 19 employees Height (cm) Weight (kg) 168 72 175 88 167 84 171 87 161 67 164 55 177 82 170 60 167 60 184 77 183 98 163 53 186 77 165 64 173 89 161 65 179 77 169 64 174 87 a). Construct an equation to relate these variables, using the least-squares method to determine the regression coefficients, b0 and b1. b). Interpret the meaning of b0 and b1 in this problem. c) determine the coefficient of determination, r2 and interpret its meaning.

Consider the “height-for-age” data below:Table 3: Height for age data Age in Years 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19Heightincm 102 107 112 116 121 126 130 136 143 149 154 158 161 162163a) Make a scatter plot of the data.b) Find the least square regression line and add it to the scatter plot in a). c) Find the coefficient of determination and state what it tells us about the relationship between age and height. d) Going by the relationship between Age and Height that you have established:i) What would the expected value of Height be if Age is 90 years? ii) Will the linear models be the best model for "height-for-age data"? JUSTIFY YOUR ANSWER!

I need the right answer to d, e, and f ASAP, please.

The table below shows the heights (inches) and weights (pounds) of 9 randomly selected children. Child Data Height (inches), x 36 56 58 59 61 63 65 69 73 Weight (pounds), y 69 89 96 74 110 90 123 110 128 (a) Construct a scatter diagram for the data, where the weight of the child is the response variable. (b) Determine the least-squares regression line for the data and graph the line on the scatter diagram from part (a). (use calculator) (show what did you do on the calculator)   (c) Interpret the slope and the y–intercept in the context of the problem.   (d) Predict the weight of a child that is 57 inches tall. Comparing with the observed value, what is the residual? Is the observed weight above or below average? (e) Determine the correlation coefficient, r. Is there a correlation? Discuss the strength of the correlation and why.   (f) Are heights and weights of children linearly related? Why or why not? Be sure to justify your answer by using the appropriate method.   (g)…