Does analyst have statistical evidence to reject claim

Assignment Help Basic Statistics
Reference no: EM13136665

According to Money, the average appreciation, in percent, for stocks has been 4.3% for the five-year period ending in May 2007.5 An analyst tests this claim by looking at a random sample of 50 stocks and finds a sample mean of 3.8% and a sample standard deviation of 1.1%. Using alpha = 0.05, does the analyst have statistical evidence to reject the claim made by the magazine?

Reference no: EM13136665

Questions Cloud

Receiving a cash payment for services : A business receives a cash payment for services rendered. Which of the following occurs?
Calculate the mass percent composition of aluminum : A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide. Calculate the mass percent composition of aluminum in aluminum oxide
Ramifications of higher gasoline taxes : One thing governments do well is collect taxes. Taxes are a policy instrument that raise revenue and can control behavior through economic or market pressures. What would some of the costs be to the public resulting from a higher tax on gasoline?
Which company will report highest amount of net income : Three different companies each purchased a mcahine on January 1, 2012 for 54,000. Each machine was expected to last five years or 200,000 hours, salvage walue was esitmated to be 4,000. which company will report highest amount of net income for 2..
Does analyst have statistical evidence to reject claim : Sample standard deviation of 1.1%. Using alpha = 0.05, does the analyst have statistical evidence to reject the claim made by the magazine?
Direct labor when prime cost is given : A company's prime costs total $3,000,000 and its conversion costs total $7,000,000. If direct materials are $1,000,000 and factory overhead is $5,000,000, then direct labor is:
Endangered species act : What changes in strategies would you recommend to make this act more successful or worth the cost for a particular animal such as the blue whale, the California condor, or the northern hairy-nosed wombat?
Does prototype meet these saftey guidelines : If the safety commission determines that an elevator design is safe if its operating load is exceeded less than 0.05% of the time, does this prototype meet these saftey guidelines?
How many grams of sulfur (s) are needed : How many grams of sulfur (S) are needed to react completely with 355g of mercury (Hg) to form HgS?

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