Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Question 17 (1 point) A physical therapist believes that at 30 years old adults begin to decline in flexibility and agility. To test this, he

image text in transcribed
Question 17 (1 point) A physical therapist believes that at 30 years old adults begin to decline in flexibility and agility. To test this, he randomly samples 25 of his patients who are less than 30 years old and 27 of his patients are 30 or older and measures each patient's flexibility in the Sit-and-Reach test. Assume the populations are normally distributed. The results are below. Less Than 30 (Group 1) 30 or Older (Group 2) 25 27 Mean Sit-and-Reach Score 21.46 19.99 Population Standard Dev. 2.245 2.218 Sit-and-Reach Score Is there evidence to suggest that adults under the age of 30 are more flexible? Use a=0.05. Enter the test statistic - round to 4 decimal places. Z= A/

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Pell And Pell–Lucas Numbers With Applications

Authors: Thomas Koshy

1st Edition

1461484898, 9781461484899

More Books

Students also viewed these Mathematics questions