The following data were obtained in a study of the relationship between the weight and chest size of infants at birth.

Weight (kg)	Chest Size (cm)
2.75	29.5
2.15	26.3
4.41	32.2
5.52	36.5
3.21	27.2
4.32	27.7
2.31	28.3
4.30	30.3
3.71	28.7

At 0.05 level of significance, determine if there is a significant relationship between the weight and chest size of infants at birth.

Statement of Hypotheses:

Ho:There is no significant relationship between the weight and chest size of infants at birth.

Ha: There is a significant relationship between the weight and chest size of infants at birth.

Use this site to compute for Pearson r coefficient:https://www.socscistatistics.com/tests/pearson/default2.aspx

Pearson r (4dp): Answer

Using this site to calculate p-value:https://www.socscistatistics.com/pvalues/pearsondistribution.aspx

p-value (4dp): Answer

Conclusion:

There is no significant relationship between the weight and chest size of infants at birth.

There is a significant relationship between the weight and chest size of infants at birth.

Determine the regression model for the relationship between the weight and chest size of infants at birth. You may use this site:https://www.socscistatistics.com/tests/regression/default.aspx

Regression Model Equation (2dp): Y = Answerx + Answer

Predict the chest size of an infant when weighted 5.00 kg at birth.

Chest Size (2dp):Answer