What are the mean-variance and standard deviation of data

Assignment Help Basic Statistics
Reference no: EM13134887

a. What are the mean, variance and standard deviation of the data?provided?
b. What is the probability of occurrence (percentage) of ± 2 standard deviations?
c. At a likelihood of 68% error rate, how many errors might you expect?
d. What are the chances (in percentages) that you will receive coding errors between minus ( -) 2 standard deviations to plus (+) 1 standard deviation?
e. What are the odds (in percentage) the number of errors will exceed -1 standard?deviations to plus +3 standard deviations?
f. What prospect (percentage) is there that you will exceed coding errors greater the?99.7%?

Reference no: EM13134887

Questions Cloud

List and describe four actions a firm can take to accelerate : List and describe one advantage and one disadvantage of raising external funds with debt, preferred stock, and common stock.
Find population shape concern when estimating the mean : Is it possible to normalize the data when the population shape has a known skew? How would you demonstrate the central limit theorem to your classmates?
Radians-circles and angular velocity : Find the area of a sector having a central angle of 60° in a circle of radius 8 inches. Find the perimeter and area of a circular sector whose angle is 3.5 radians if the circumference of the circle is 58 ft.
Recast the income statements : If the East territory is discontinued, one sales manager (whose salary is $40,000 per year and is part of the fixed costs) will be relocated to the West territory. By how much would Green's income change if the East territory is eliminated? Recast..
What are the mean-variance and standard deviation of data : What are the mean, variance and standard deviation of the data? provided? What is the probability of occurrence (percentage) of ± 2 standard deviations?
Length of base of square pyramid : Suppose a pyramid has a retangular base whose width is 5 centimeters less than its length. If the height is 1 centimeter and the volume is 12 cubic centimeters, find the length of the base.
What is the controller role in strategy implementation : What is the controller's role in strategy implementation? Be sure to provide specific examples in your answer.
Foreign direct investment in south africa : Factors hindering the flow of FDI into the country and the incentives offered by the country for attracting FDI
Uses of straight-line depreciation : Carleton Service Center just purchased an automobile hoist for $15,000.The hoist has a 5-year life and an estimated salvage value of $1,080. Installation costs were $2,900, and freight charges were $820. Carleton uses straight-line depreciation.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Standard deviation and shape of the sample mean

A population of 1000 students spends an average of $10.50 a day on dinner. The standard deviation of the expenditure is $3. A simple random sample of 64 students is taken.

  Do national average using statistically significant measure

4th graders in the US take a standardized test for math. The national average score is 237. Did your state, as represented by your students, out perform the national average using a statistically significant measure?

  Develop an estimated regression equation

Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car.

  Attitude consistency across cities

a) Test whether there is a difference between attitudes in the 2 cities. Use a 95% alpha. b) What does your result say about attitude consistency across cities?

  Probability-annexation suit

An annexation suit is being considered against a county subdivision of 600 residencies by a neighboring city. If 40% of the residents favor being annexed and if a random sample of 15 will be collected,

  Find probability that carbon monoxide concentration exceeds

Find the probability that the carbon monoxide concentration exceeds 9 ppm during a randomly selected one-hour period.

  Find the decimal probability that commute takes

If one employee is randomly selected, find the decimal probability (four decimal places) that his/her commute takes the following amount of time.

  Mixed integer problem

The Weithoff company has a contract to produce 10000 garden hoses for a customer. Weithoff has 4 different machines that can produce this kind of hose.

  Continuous probability distributions-bank of florida

The price of shares of Bank of Florida at the end of trading each day for the last year followed the normal distribution. Assume there were 240 trading days in the year.

  Testing of hypothesis of average height

The average height of a particular plant is known to be 78 cms. The average height of 20 plants to which a particular manure was applied was found to be 85 cms.

  Determining best prediction model

Given the following data on Asian and European Share of U.S. Light Truck Sales(1990-2003): Which trend model is best, and why? If none is satisfactory, explain.

  Statistical expectation of television numbers

Based on a survey of over 10,000 households, the number of televisions in the home was recorded as given in the table below. Based on the data, find the expected number of televisions in a home.

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