THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 89

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A clinic offers a weight-reduction program.A review of its records revealed the following weight losses,in pounds,for a random sample of 10 of its clients at the conclusion of the program: 20,15,21,28,22,19,9,14,18,and 23.
-Without doing any calculations,explain whether a 90% confidence interval for the population mean would be wider than,narrower than,or the same as that of a 95% confidence interval for the population mean.

---

Definitions:

Regression Equation

A formula that represents the relationship between dependent and independent variables in a regression model.

Unit Increase

A term used to describe a single step increase in the value of an independent variable and its effect on the dependent variable in a model.

Regression Equation

An equation that represents the relationship between dependent and independent variables, used to predict outcomes.

Holding Constant

A method in statistical analysis where certain variables are kept fixed to isolate the effect of one or more variables under investigation.