Construct Confidence and Prediction Intervals
-A Gym Teacher Uses Three $95 \%$

question 15

Multiple Choice

Construct Confidence and Prediction Intervals
-A gym teacher uses three exercises to increase arm strength: push-ups, pull-ups, and rope climbing. He has 10 students in small class. The exercises consist of doing as many push-ups as possible in 2 minutes. After a rest the student does as many push-ups as possible in 2 minutes. After a rest the student climbs a rope and the time is recorded in seconds. The data for this class is given below. Construct a $95 \%$ confidence interval for the Rope Climb Time if the student's Push-ups are $22 .$

• A) \(( 48.78,57.77 )\)
• B) \(( 41.70,64.85 )\)
• C) \(( 47.09,58.45 )\)
• D) \(( 38.89,66.65 )\)

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Definitions:

Salary

Predetermined, regular payment made by an employer to an employee, often expressed as an annual sum.

Consumer Price Index

A metric that quantifies the average shift over time in the costs that urban residents incur for a specified set of consumer goods and services.

CPI

Consumer Price Index; a measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care.

Price Index

A price index measures the average change in prices of a basket of goods and services over time, indicating inflation or deflation trends.