Cholesterol Does a persons cholesterol level tend to change with age? Data collected from 1406 adults aged 45 to 62 produced the regression analysis shown. Assuming that the data satisfy the conditions for inference, examine the association between age and cholesterol level. Dependent variable is: Chol s = 46.16 Variable Coefficient SE(Coeff) t-ratio P-value Intercept 194.232 13.55 14.3 0.0001 Age 0.771639 0.2574 3.00 0.0027 a) State the appropriate hypothesis for the slope. b) Test your hypothesis and state your conclusion in the proper context.
Tuesday, February 7 th Reviewed for Test 1; on eLC Test 2 Thursday, February 9 th Chapter 5: Probability in Our Daily Lives 5.1 How Probability Quantifies Randomness • Probability allows us to jump from describing a sample to drawing conclusions, or inferences, about the population • Two main ideas we need to understand before moving on to inference o Random o Chance • Clicker: What does random mean o Haphazard, occurring without definite ai