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A researcher believes that a person's height is a significant factor in determining their weight

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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)

180

104

170

87

178

94

160

72

165

68

170

80

147

73

152

78

163

89

145

49

147

51

147

65

150

60

147

68

170

78

152

66

170

83

168

76

168

85

165

84

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 180cm tall. (ANSWER TO 2 DECIMAL PLACES...INCLUDE UNITS WITH ANSWER)

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