A researcher believes that a person's height is a significant factor in determining their weight. Based on the following sample, answer the questions below:

Height (cm)	Weight (kg)
178	92
175	87
145	56
157	72
150	55
168	72
163	77
157	69
173	85
180	93
175	103
168	82
157	62
157	64
147	61
170	88
150	74
163	81
155	80
175	83

1) What is the value of the correlation coefficient? (CAREFUL:EXCEL'S REGRESSION FUNCTION WILL NOT LET YOU KNOW WHETHER OR NOT THIS VALUE IS NEGATIVE)(ANSWER TO 2 DECIMAL PLACES)

2) What is the value of the coefficient of determination?(ANSWER TO 2 DECIMAL PLACES)

3) State the estimated regression equation.(ANSWER ONLY THE VALUE AFTER THE EQUAL SIGN WITH VARIABLES TO 2 DECIMAL PLACES. FOR EXAMPLE IF THE EQUATION IS: y = 123.4567x + 987.6543...YOUR ANSWER IS: 123.46x + 987.65)

4) Predict the weight of an individual that is 170cm tall.(ANSWER TO 2 DECIMAL PLACES...INCLUDE UNITS WITH ANSWER)

Question 2 options:

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