Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A researcher examined gross job gains and losses as a percentage of the average of previous and current employment figures. A simple random sample of

A researcher examined gross job gains and losses as a percentage of the average of previous and current employment figures. A simple random sample of 20 quarters provided the net percentage gains?(losses are negative?gains) for jobs as shown in the accompanying table. Complete parts?(a) through?(d) below.

a. Decide?whether, on?average, the net percentage gain for jobs exceeds 0.2. Assume a population standard deviation of 0.49. Apply the?one-mean z-test with a 1?% significance level.

State the hypotheses for the?one-mean z-test.

1) We establish the null hypothesis and the alternative hypothesis:

H0?:?=0.2

Ha?:?>0.2

help with this

Compute the value of the test statistic.

z= ?

image text in transcribed
9.4.89-P Question Help A researcher examined gross job gains and losses as a percentage of the average of previous and current employment figures. A simple random sample of 20 quarters provided the net percentage gains (losses are negative gains) for jobs as shown in the accompanying table. Complete parts (a) through (d) below. Click here to view the net percentage job gain data. a. Decide whether, on average, the net percentage gain for jobs exceeds 0.2. Assume a population standard deviation of 0.49. Apply the one-mean z-test with a 1% significance level. State the hypotheses for the one-mean z-test. Ho: H 1% Ha : H % (Type integers or decimals. Do not round.) i Net Percentage Job Gains X 0.2 0.4 0.7 0.6 0.8 0.9 -0.4 - 0.2 0.3 0.2 2 0.3 0 .7 0.7 -0.4 - 1.2 0.6 0.7 0.6 0.1 0.4 Print Done On-Screen Keyboard X

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_2

Step: 3

blur-text-image_3

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

Essential Discrete Mathematics For Computer Science

Authors: Harry Lewis, Rachel Zax

1st Edition

0691190615, 9780691190617

More Books

Students also viewed these Mathematics questions

Question

Will the company help with relocation expenses?

Answered: 1 week ago