What is the pooled standard deviation

Assignment Help Basic Statistics
Reference no: EM132848031

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

Level N Mean St Dev

A 7 86.927 4.961

B 5 76.167 6.555

C 5 80.000 9.230

D 7 69.333 6.154

Source DF SS MS F P

Groups 3 1120.16 373.39 8.41 0.001

Error 20 887.54 44.38

Total 23 2007.70

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.

What is the pooled standard deviation is?

What is degrees of freedom?

Reference no: EM132848031

Questions Cloud

How many types of coffee drink possibilities : How many types of coffee drink possibilities does he have in a given month using the different cup sizes and flavors?
What dimensions of the rectangle will maximize the area : A lifeguard needs to rope off a rectangular swimming area in front of Long Lake Beach, What dimensions of the rectangle will maximize the area
What job did john perform on family farm : When did non-violence become an essential worldview for John and intertwined his thoughts on Christianity? What job did John perform on his family farm?
Know all threats to internal validity : Know the difference between and be able to recognize experimental studies, correlational studies, quasi-experimental studies (i.e. non-random assignment), and d
What is the pooled standard deviation : Consider the data with analysis shown in the following computer output:
What is the sample size of study : In a clinical trial, we measure the systolic blood pressure of a group of patients with high blood pressure. The average blood pressure for these subjects is 12
Construct a probability graph : The table shows the ages of students in a freshman orientation course,
How did the different levels of government work together : How did the different levels of government work together? In the example you selected, what was done well? What areas were there for improvement?
How many different plates are possible : A. How many different plates are possible if repetitions of letters and numbers are allowed'?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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