Correlation \& linear regression The following table shows the age and IQ values for a sample of 15 people: a) Draw and
Posted: Wed Jul 13, 2022 5:07 am
- Correlation Linear Regression The Following Table Shows The Age And Iq Values For A Sample Of 15 People A Draw And 1 (26.2 KiB) Viewed 41 times
Correlation \& linear regression The following table shows the age and IQ values for a sample of 15 people: a) Draw and label a scatter diagram to show the correlation between age and IQ (6 marks) b) Draw a best fit line (with intercept and slope) and use it to predict the IQ of a person aged 50 years (2 marks) c) If the coefficient of correlation is 0.53, calculate what the coefficient of determination is and explain what it shows about the relationship between age and IQ (2 marks)