Calculate the standard deviation and variance

Assignment Help Mathematics
Reference no: EM13120634

Standard deviation, Variance and Covariance
Consider three sets of data:

1. data: 1 0 1 3
probability: 0.2 0.3 0.3 0.2

2. data: 0 2 4 1
probability: 0.2 0.3 0.3 0.2

3. data: 4 1 0 0
probability: 0.2 0.3 0.3 0.2

Calculate the standard deviation and variance of each set data, and covariance.

Reference no: EM13120634

Questions Cloud

Find risk-adjusted npv of projects : Risk-adjusted NPV of Projects. The Bartram-Pulley Company (BPC) must decide between two mutually exclusive
Find probability to earn if model skewed to the left : With a mean of $8.90 and a standard deviation of $5.70. She waites on 30 parties. What is the probability that she will earn at least $350?
Consolidated balance sheet at the date of takeover : Bailey,Inc.,buys 60 percent of the outstanding stock of Luebs,Inc.,in an acquisition that resulted in the recognition of goodwill. Luebs owns a piece of land that cost $200,000 but was worth $500,00 at the acquisition date. What value should be at..
Computing value of discriminant : Solving quadratic equations. Discriminant of a quadratic equation. Compute the value of the discriminant and give the number of real solutions to the quadratic equation.
Calculate the standard deviation and variance : Standard deviation, Variance and Covariance. Calculate the standard deviation and variance of each set data, and covariance.
To what temperature, in oc, was the methane heated : A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
Develop your critical thinking skills : Identify 3 of the 9 strategies that you will use to develop your critical thinking skills. Describe how you will use each strategy, give specific examples.
What is the probability that a randomly selected individual : What is the probability that a randomly selected individual from this population earns less than $60,000 per year? If a randomly selected individual is observed to earn less than $60,000 per year, what is the probability that this person is a man?
How many grams of o2 are required : Octane has a density of 0.692 g/mL at 20 Celsius . How many grams of O2 are required to burn 1.30 gal of C8H18

Reviews

Write a Review

Mathematics Questions & Answers

  A regression analysis

A regression analysis

  Determine the probability without replacement

Determine the probability without replacement

  Compare the observed values of the test statistic

Compare your observed values of the test statistic in parts F & G. What conclusion do you reach from this comparison?

  Objective questions based on regression

Objective questions based on regression

  Calculate the mode

Calculate the mode

  Test the instructor claim at a 5% level of significance

Test the instructor's claim at a five percent level of significance. Write your conclusion?

  Normal probability- diameter of grapefruits

Normal Probability: Diameter of Grapefruits. The diameters of grapefruits in a certain orchard are normally distributed with a mean of 5.44 inches and a standard deviation of 0.41 inches.

  Probability that exactly one of sample individuals carries

Probability that exactly one of the sample individuals carries the gene.

  Calculate the change in the odds of chd

Calculate the change in the odds of CHD in males for each additional time they exercise on average each week.

  Define queuing and process simulation modeling

Define Queuing and Process Simulation Modeling. Michael's Tire Company performs free tire balance and rotation for the life of any tires purchased there on a first-come, first-served basis

  Compute confidence interval for population mean

A sample random sample of sixty times resulted in a sample mean of eight & a sample standard deviation of fifteen. Compute 95 percent confidence interval for population mean.

  Evaluate the constant of variation

Evaluate the constant of variation and write an equation of direct variation

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