Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

I need help with all the questions shown in the image and State the null and alternate hypothesis. -H0: same proportion of Democrats and Republicans

I need help with all the questions shown in the image and State the null and alternate hypothesis. -H0: same proportion of Democrats and Republicans within each spending level H1: different proportions of Democrats and Republicans within each spending level-H0: same proportion of Democrats and Republicans within each spending level H1: same proportion of Democrats and Republicans within each spending level-H0: different proportion of Democrats and Republicans within each spending level. H1: different proportion of Democrats and Republicans within each spending level- H0: different proportion of Democrats and Republicans within each spending level H1: same proportion of Democrats and Republicans within each spending level(b) find the value of Chi-square statistic for the sample. (round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)- Are all the expected frequencies greater than 5?- what sampling distribution will you use?-students t -binomial -uniform-chi-square -normal what are the degrees of freedom?___(c) find or estimate the P-value of the sample test statistic. (round your answer to three decimal places)(d) Based on your answers in parts (a) to (c) will reject or fail to reject the null hypothesis of independence?-Sine P-value > x we fail to reject the null hypothesis -Since P-value > x we reject the null hypothesis -Since P-value ? x we reject the null hypothesis -Since P-value ? x we fail to reject the null hypothesis

image text in transcribed
Two random samples were drawn from members of the U.S. Congress, One sample was taken fr recorded. person's home district was Dollars Spent on Federal Projects in Home Districts Party Less than 5 to 10 More than 5 Billion Billion 10 billion Row Total Democratic 9 19 17 45 Republican 18 20 Column Total 18 37 92 (1) Make a cluster bar graph showing the percentages of Congress members from each party who spent Ir respective home districts. (In the graphs, blue represents Democrats and red represents Republicans.) Party Sounded O (11) Use a 1% level of significance to test whether congressional members of each political party spent designated amounts in the same proportions. (a) What is the level of significance? State the null and alternate hypotheses 2 Us 4:18 A O C % O W

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

Finite Math And Applied Calculus

Authors: Stefan Waner, Steven Costenoble

2nd Edition

0534366309, 9780534366308

More Books

Students also viewed these Mathematics questions