Please provide step-by-step answers for questions a. and b. with math formulas and provide also solutions with Excel formulas/Excel Data Analysis, and Minitab instructions if possible. Please provide also answers rounded to decimal places like asked in the questions.

The following sample observations were randomly selected.

The following sample observations were randomly selected. a- Determine the 95% condence interval for the mean predicted when x: 7. (Round your answers to 4 decimal places.) I:I:I b. Determine the 95% prediction interval for an individual predicted when X: 7. {Round your answers to 4 decimal places} m