Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

5. A psychologist gave a test measuring anxiety, the State-Trait Anxiety Inventory (STAI), to a sample of 60 abused children and found that 52 had

5. A psychologist gave a test measuring anxiety, the State-Trait Anxiety Inventory (STAI), to a sample of 60 abused children and found that 52 had above average anxiety levels.

(a) Calculate the sample proportion.

(b) Calculate a 99% confidence interval for the true proportion of abused children with above average anxiety levels.

(c) Explain why it either would be or would not be reasonable to conclude that this data provide statistically significant evidence that the majority of abused children have above average anxiety levels.

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

Sample Size Determination In Clinical Trials With Multiple Endpoints

Authors: Takashi Sozu, Tomoyuki Sugimoto, Toshimitsu Hamasaki, Scott R Evans

1st Edition

3319220055, 9783319220055

More Books

Students also viewed these Mathematics questions

Question

Pollution

Answered: 1 week ago

Question

The fear of making a fool of oneself

Answered: 1 week ago