State the null hypothesis

Assignment Help Basic Statistics

Reference no: EM13953010

1. Why does one use a Tukey's HSD rather than a t test when comparing mean differences in ANOVA?

2. Samples were taken of individuals with each blood type to see if the average white blood cell count differed among types. Ten individuals in each group were sampled. The results are given in the table below:

Average White Blood Cell Count by Blood Type

A	B	AB	O	Grand Totals
5,000	7,000	7,200	5,550
5,550	7,500	7,770	6,570
6,000	8,500	8,600	7,620
6,500	5,000	6,000	5,900
8,000	6,100	5,950	7,100
7,700	7,200	7,540	6,980
10,000	9,900	11,000	8,750
6,100	6,400	6,200	7,700
7,200	7,300	7,000	8,100
5,500	5,800	6,100	4,900
9,000	8,950	7,800	5,800
2,x	76,550	79,650	81,160	74,970	312,330 (grand total)
x	7655.0	7965.0	8116.0	7497.0	7808.25 (grand mean)

Source: Modification to Exercise 10.9, page 171, Kuzma and Bohnenblust (2001).

a. State the null hypothesis.

b. Construct an ANOVA table.

Reference no: EM13953010

Questions Cloud

What should be the short- and long-term recovery goals : What solutions exist (e.g., mutual aid, contract services) to overcome challenges from a hurricane? Explain in detail. What should be the short- and long-term recovery goals of Miami following the occurrence of a hurricane

State the null hypothesis and determine the anova table : State the null hypothesis and determine the ANOVA table. What is the result of the F test? Apply Tukey's HSD test to see which means differ if the ANOVA was significant at the 5% level.

What do you know about southwest airlines operations : What do you know about Southwest airlines operations that have made them more profitable than every other airlines. How has Walmart's supply chain made them more efficient and profitable than their competitors

Cost volume profit analysis case : You are a consultant with Cox Consultancy. You have a client, Grace that has hired you to advise her on some production decisions relating to her chocolate business and compensation schemes relating to her ice-cream maker business.

State the null hypothesis : Why does one use a Tukey's HSD rather than a t test when comparing mean differences in ANOVA?

How the project would have been evaluated : Based on the given scenario, apply the four principles of post-project review and explain how the project would have been evaluated. Remember the four principles of post-project review are objectivity, internal consistency, replicability, and fairn..

Develop a vision and mission statement of the project : Strategic Planning: Develop a Vision and Mission Statement of the project. Develop a SWOT analysis of the project

Calculate r between systolic and diastolic blood pressure : When a regression model is nonlinear or the error terms are not normally distributed, the standard hypothesis testing methods and confidence inter- vals do not apply. However, it is possible to solve the problem by bootstrap- ping. How might you b..

What are some of the common mistakes in budgeting : In your own words answer the following: How are budgetary controls beneficial? Describe the dangers of not having a budget. What are some of the common mistakes in budgeting

User Account

All Pages