Set up the null and alternative hypotheses

Assignment Help Basic Statistics
Reference no: EM131098107

A nurse manager has job offers from 3 different hospitals. To explore the offers further, she asked a sample of nurse managers how many months each worked for the unit/hospital before receiving a raise in salary.

The sample information is:

Number of Months before First Raise in Salary

Hospital A

Hospital B

Hospital C

12

12

11

10

11

12

14

8

13

12

9

8

At the 0.05 level of significance, is there a difference in the mean numbers of months before a raise was granted among the three units/hospitals?

a. Set up the null and alternative hypotheses.

b. Formulate the Decision Rule. Use 0.01 level of significance.

c. What's your decision regarding the null hypothesis? Why? What can we conclude?

d. Make sure to provide the ANOVA table and all the computations involved for computing the value of F-statistic.

Reference no: EM131098107

Questions Cloud

Defining warehousing and discussing its strategic role : Discuss the role of warehousing in a logistics system.
Question regarding the normal distribution with a mean : The time it takes a student to walk from the dorm to the chemistry lab follows approximately a normal distribution with a mean of 20 minutes and a standard deviation of 3 minutes.
College entrance examination : The scores of individual students on the American College Testing (ACT) program composite College Entrance Examination have a normal distribution with mean 18.6 and standard deviation 6.0. What is the probability that a randomly selected individua..
Given a digraph a vertex-indexed array of positive weights : Given a digraph, a vertex-indexed array of positive weights, and a start vertex v, find the paths from v to each other vertex such that the sum of the weights of the vertices on the path is minimized.
Set up the null and alternative hypotheses : a. Set up the null and alternative hypotheses. b. Formulate the Decision Rule. Use 0.01 level of significance. c. What's your decision regarding the null hypothesis? Why? What can we conclude?
Research and describe a product ideation model : Research and describe a product ideation model or methodology. Describe the ideation approach and how you might use it in your collaboration assignment for this module.
Womens athletic footwear market analysis : 1. Introduction and product/service description (definition of product category, salient attributes, surrogate cues, relevant costs, general information)
Benefits and limitations to using interview : Identify each person's class, race, and gender, supporting your work with the text and/or outside resources - what role has class, race, and gender played in their lives? How do you see these stratifiers as playing a role, even if the interviewee is..
Contingency table of observed frequencies : Part A: Identify the null and alternative hypotheses for a chi-square test of independence based on the information in the table. Part B: Calculate the expected frequencies for each cell in the contingency table. Part C: Calculate the chi-square tes..

Reviews

Write a Review

Basic Statistics Questions & Answers

  If no preliminary sample is taken to estimate p how large a

a ponderosa pine forest in colorado has a pine beetle infestation. the beetles bore into a tree and carry a fungus

  Probability of enjoying shopping online

A survey found that 85% of women in a given city enjoy shopping online. Suppose you randomly selected 6 women from the city and ask them whether or not they enjoy shopping online. Find the probability that exactly 4 say they enjoy shopping online.

  Correlation between the two variablesa store manager wishes

correlation between the two variables.a store manager wishes to find out whether there is a relationship between the

  Statistics on english composition course

A local college requires an English composition course for all freshman. This year they are evaluating a new online version of the course. A random sample of n=16 freshman is selected and the students are placed in the online course.

  Five fabric samples were selected and a randomized complete

perform the two anova tests. include the anova table and an explanation of your results. be sure to write full

  Chi-square goodness-of-fit test

What is the chi-square goodness-of-fit test? What are the differences/similarities between this test and an independent t-test? How do you know when to use one analysis over the other? Show an example.

  Each person picks 12 mampm chocolates from the bag what is

students of dr. psychicu2019s training class wanted to see if they do learn the skills at the end of the class. each

  Find the true mean purity level

find the true mean purity level

  What proportion of accidents involved alcohol

This problem relates to Basic Statistics and it is about a study on accidents occurring due to driving and drinking. The proportion of drunken driving with single vehicle has been calculated. What proportion of accidents involved alcohol and a sing..

  Probability that the claim will rejected

If the manufacturer's claim is true, what is the probability that the claim will be rejected?

  Interpret the p-value for the test

The reac- tion times (in seconds) before and after consuming four drinks are in data file XR11050. At the 0.005 level, has the program host made his point? Identify and interpret the p-value for the test.

  Researchers studied the effects of adding an exercise

researchers studied the effects of adding an exercise program to dieting in the achievement of weight loss. a sample of

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd