What are the degrees of freedom for sample variance

Assignment Help Basic Statistics
Reference no: EM132289129

What are the degrees of freedom for sample variance for n=50, n=10, n=12, n=120, n= 75? I found the questions on your site but there were no steps to solution not even just the solution.

Reference no: EM132289129

Questions Cloud

What is the probability that between 532 and 546 : Tomorrow the airline has 600 flights scheduled. What is the probability that between 532 and 546 of these 600 flights will be on time?
What is the maximum grade to be in the bottom : When a student is selected at random, what is the probability that his grade is between 76 and 82?
Develop implementation level blueprints for the artifacts : Ideally, when you are working on a project, you would search your reference architecture framework and find a suitable reference architecture to use.
Confidence interval for the mean score of all students : A class of two hundred students took a calculus final. If the sample mean for thirty randomly selected students was 95 % percent with a sample standard
What are the degrees of freedom for sample variance : What are the degrees of freedom for sample variance for n=50, n=10, n=12, n=120, n= 75?
What are the advantages of using fractional-pitch coils : Derive from the first principles the equation of induced E.M.F in armature windings of an alternator. What are the advantages of using fractional-pitch coils.
Find the probability that a sample mean : If repeated samples of size 35 are selected randomly, find the probability that a sample mean is above 500 points.
Find the probability that a randomly selected person : a. Find the probability that a randomly selected person from this population is between 67.2 and 71.2 inches tall. b. What height denotes the 95th percentile?
What value is one standard deviation below the mean : The depth of the snow in my yard is normally distributed, with a mean of 2.5 inches and a standard deviation of 0.25 inches.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Sample and the type of population

Critically discuss the relationship between a sample and the type of population it is taken from? What population factors should be taken into consideration?

  Standard normal probability distribution

Let z be a standard normal random variable and calculate the following probabilities:

  Subset of it has a minimal element

Given a partially ordered set (X, ≤), a subset A ⊂ X , and an element x ∈ A, x is called a minimal element of A iff there is no other y ∈ A with y x . Then (X, ≤) will be called min-ordered iff every non-empty subset of it has a minimal e..

  What level of scaling is involved in problem

The teacher ranked a group of students for leadership ability and had another teacher rank the same children on attractiveness.

  Agents at an insurance company office in a small town

agents at an insurance company office in a small town process an average of fifteen auto insurance claims per week.

  What is the utilization capacity

A furnace repair team services a design capacity of 6 furnaces per day with an effective capacity of 6 furnaces per day.

  Meaning of the expected value of a probability distribution

What is the meaning of the expected value of a probability distribution? What are the four properties that must be present in order to use the binomial.

  What is the value of the test statistic

What is the value of the test statistic, t? Should you reject or fail to reject the null hypothesis in this test? what is the approximate p-value for this test?

  Define alternative hypothesis used by the researchers

"Alterations in Brain and Immune Function Produced by Mindfulness Meditation" on the CD. For this study, volunteers were randomly assigned to a meditation.

  Show that another expression for the chi-squared statistic

b. When the null hypothesis is    how does the formula of part (a) simplify? Use the simplified expression to calculate x2 for the pigeon/direction data in Exercise 4

  An amateur golfer has 4 nike golf balls 3 callaway balls 6

a the access code for a security system consists of five positions. the first position can be any letter 26 while each

  What is a confidence interval for the average bounce

Experience has shown that the standard deviation of the bounce is .30. If X = 1.70, and assuming normality, what is a .90 confidence interval for the average bounce?

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