Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A person scores an 83 in round 2 on American Idol auditions after participating in vocal lessons. The scores of participants in general on this

A person scores an 83 in round 2 on American Idol auditions after participating in vocal lessons. The scores of participants in general on this measure are normally distributed with a mean of 70 and a standard deviation of 8. The researcher predicts an effect but not a particular direction. Using the 1% significance level, what can you conclude?

Group of answer choices

We accept the null hypothesis and state that vocal lessons significantly increased scores in round 2 auditions.

We reject the null hypothesis and state that vocal lessons significantly decreased scores in round 2 auditions.

We reject the null hypothesis and state that vocal lessons significantly increased scores in round 2 auditions.

We accept the null hypothesis and state that vocal lessons did not affect scores in round 2 auditions.

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

Elementary Linear Programming With Applications

Authors: Bernard Kolman, Robert E Beck

2nd Edition

0080530796, 9780080530796

More Books

Students also viewed these Mathematics questions

Question

How is net sales revenue calculated?

Answered: 1 week ago

Question

An action plan is prepared.

Answered: 1 week ago