What is the pooled standard deviation

Assignment Help Basic Statistics
Reference no: EM132858129

Consider the data with analysis shown in the following computer output:

Level N Mean StDev

A 5 10.700 2.612

B 5 16.800 2.168

C 5 10.800 2.387

Source DF SS MS F P

Groups 2 122.03 61.02 10.63 0.002

Error 12 68.88 5.74

Total 14 190.91

What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?

Round your answer for the pooled standard deviation to two decimal places.

Reference no: EM132858129

Questions Cloud

Find probability of drawing out two balls of different color : There are 10 balls in a bag, 7 are green, 2 are purple and one is white. You draw out two balls without replacement
Why is cross-cultural communication important to today : Why is cross-cultural communication important to today's health services organizations? 1400 words APA format atleast 6 peer reviewed references
Construct a confidence interval for true percent of students : A student polls his school to see if students in the school district are for or against the new legislation regarding school uniforms. She surveys 600 students
How the concept of health has changed overtime : Discuss how the concept of "health" has changed overtime. Discuss how the concept has evolved to include wellness, illness, and overall well-being.
What is the pooled standard deviation : What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?
Distribution of sample proportions normal distribution : About 74?% of all female heart transplant patients will survive for at least 3 years. Seventy female heart transplant patients are randomly selected
Explain the history of medicare and the prospective payment : Explain the history of Medicare and the prospective payment systems that are in use today. In your answer be sure to provide examples of the payments systems
Calculate the approximate probability of observing : The reliability of an electrical fuse is the probability that a fuse, chosen at random from production, will function under its designed conditions.
How should the leaders deal with the implementation problem : How should the leaders deal with this implementation problem? How to apply them to the large health institution such as Jackson Health system?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determining the shape of sampling distribution

(a) What is the shape of this sampling distribution? [How do you know?] (b) What is the mean of this sampling distribution? (Give your answer correct to one decimal place.)

  Obtain the sample mean amount of dextran

Manufacturing and Product Development Eyedrops are used by many people to soothe and relieve irritation and to lubricate their eyes. A manufacturer claims.

  De?ne what is meant by a continuous variable

De?ne what is meant by a continuous variable and give some examples. De?ne what is meant by a continuous probability distribution.

  Test whether the two variance are equal

For the samples summarized below, test the hypothesis at ∞ =.05 that the two variances are equal. Variance Number of data values Sample 1 19 8 Sample 2 9 18

  Find the mean and standard deviation for the number

A candy company claims that 21?% of its plain candies are? orange, and a sample of 100 such candies is randomly selected.

  Describe how would simulate rolling the die

Simulation II. You are one space short of winning a child's board game and must roll a 1 on a die to claim victory. You want to know how many rolls.

  Discuss the ways to operationalizing the dependent variable

Weight Watchers leads to more weight loss, on average, if you go to meetings than if you participate online.

  What is the null and alternative hypothesis

1. Fill in the blanks in the following ANOVA table (There are 6 unknown numbers)?

  What percentage of the pins will be acceptable to custom

What percentage of the pins will be acceptable to the customer? In order to improve percentage accepted, the production manager and the engineers discussadjusting the population mean and standard deviation of the length of the pins.

  How statistic indicate lung and smoking are not independent

Explain how these statistics indicate that lung condition and smoking are not independent.- What's the probability that a randomly selected 60-year-old has this lung condition?

  What is the probability helen will get money

Helen is wondering how to plan for the weekend. She will get a letter from home (with money) with probability 0.05.

  Confidence interval means

1. The data set calcium .txt contains the calcium levels of eleven test sub­ jects at zero hours and three hours after taking a multi-vitamin containing calcium.

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