3. Operations on Numbers
- In this chapter:
Learning Objectives
| Students need to be able to … | In order to … |
| Perform signed number arithmetic | Calculate residuals, z-scores, numerical summary statistics, test statistics, and confidence interval estimates |
| Order of operations | Evaluate statistical formulas by hand and with technology |
| Calculate powers and square roots of a number (using technology) | Calculate standard deviation and standard error and the value of a chi-square statistic. |
| Understand order of operations in expressions and formulas | Calculate numerical summary statistics, test statistics, and confidence interval estimates |
| Use summation notation | Calculate an expected value, the sample mean and standard deviation, the correlation coefficient, the value of the chi-square statistic, and regression coefficients |
| Area of Rectangle | Calculate probability associates with the uniform distribution |
| Combinations | Determine the number of possible outcomes for probability problems |
