Step 1: Solve the following problems:

Find solutions to the following problems.Be sure to include a statement about significance and complete Tukey's HSD when necessary.

1. Subjects are interviewed about their sugar consumption and then had their fasting blood-sugar levels measured.Find the correlation coefficient, the least-squares regression line, and the predicted blood-sugar level for someone who consumes 340 grams of sugar per day.Also, test the hypothesis that sugar consumption has no affect on blood-sugar levels against the alternative that increases in sugar consumption are correlated with increases in blood-sugar level at 1% significance.

sugar g/day (x) blood-sugar mg/dl (y)

87 78

101 98

142 159

167 176

198 255

231 238

300 374

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