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

  How to find data collection methods-instruments are reliable

Data collection instrument used in managerial research. Why is it significant to make sure that these data collection methods and instruments are both reliable and valid?

  Expected value of perfect information for investor

Suppose the investor is to invest a total of $10,000, what is the expected value of perfect information for investor.

  The typical amount of sleep per night for undergraduate

the typical amount of sleep per night for undergraduate college students has a bell shaped distribution with a mean of

  Chi-square non-parametric testing concept

Provide the Null and Alternative Hypotheses testing statements for the following statement: There are only 24 hours in a day. What statistical tool would you now utilize to improve your business? Explain the Chi-Square Non-Parametric Testing Concept.

  Probability-sugar packaged by a certain machine

Sugar packaged by a certain machine has a mean weight of 5lb and a standard deviation of 0.02 lb. For what values of c can the manufacturer of the machinery claim that the sugar packaged by this machine has a weight between 5 - c and 5 + c lb with..

  Seasonal adjusted sales for the quarter

The forecast for the third quarter is 3,000 units; the seasonal index for the quarter is 1.05. What are the seasonally adjusted sales for the quarter?

  Find the critical value corresponding to a sample size

Write a statement that correctly interprets the confidence interval found in question 5. Find the critical value corresponding to a sample size of 19 and a confidence level of 99%. Find the critical value corresponding to a sample size of 19 and a ..

  Do data have positive linear-negative linear correlation

Construct a scatter plot for the data. Do the data appear to have a positive linear correlation, a negative linear correlation, or no linear correlation? Explain.

  Define population 1 as import cars and population 2 as

allstate would like to test the hypothesis that the average age of an imported car on the road is greater than the

  Test the claim that sludge county has a pinworm infection

in sludge county a sample of 50 randomly selected citizens were tested for pinworm. of these 10 tested positive 20. the

  Percent of price-to-earnings ratios

Given that the price-to-earnings ratios are uniformly distributed, answer the following questions. What percent of price-to-earnings ratios are between 1.90 and 2.48?

  A camera manufacturer just shipped a batch of 36 digital

a camera manufacturer just shipped a batch of 36 digital cameras to local retailers and seven of the cameras have a

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