Does analyst have statistical evidence to reject the claim

Assignment Help Basic Statistics
Reference no: EM13137101

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: EM13137101

Questions Cloud

Public budgeting and accounting : How critical is the accounting system to hold public officials answerable for the appropriated funds in their trust? Provide examples to support your responses.
Health fitness management, center withconcepts of recruiting : Health Fitness Management, center around the concepts of recruiting, retention, marketing and branding. In a 900 to 1,300 word paper
Expenditure forecast comparison : Compare a city's expenditure forecast to the expenditure forecast for the budget you use at home for personal expenses. What are the similarities and differences between them? Provide examples.
Morphine addiction in your local community : Alcohol, other drugs and mental health Community Health Changes in the way we support people with behaviours of concern Changes in the approach to morphine addiction in your local community Working with schools to improve anti-bullying policies
Does analyst have statistical evidence to reject the claim : 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?
Which is the limiting reactant : Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
Determine pension expense for specific year : Pension data for Goldman Company included the following for the current calendar year: Determine pension expense for the year.
Discussing federal policies : Pick two similar federal policies that were discussed over a span of two different administrations. For example, President Clinton's and Obama's health care policies or President's George H.W. Bush's and George W. Bush's foreign policy.
Komodo dragons are the largest lizards known to man : Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Solving problem as binomially distributed

Can it be concluded that, X, number of boys in two-child families of preeminent scholars, is binomiallydistributed?  Let α=0.05.

  Testing hypotheses by using the excel

Shank's Inc., a nationwide advertising firm, wants to know whether the size of an advertisement and the color of the advertisement make a difference in the response of magazine readers.

  Recognizing independent variable and dependent variable

Recognize independent variable and dependent variable for this experiment. Think in your head what influences what? Or, what causes what? Cause is independent variable.

  Probabilities and airline bookings

When someone buys a ticket for an airline flight, there is a 90% probability that a person will not show up for the flight. Air America books 15 people on a commuter flight that can only seat 13 passengers.

  Hypotheses in a chi-square test for independence

Why do you use the chi-square statistic? Explain. What type of data is used with chi square analysis? Explain. What are the hypotheses in a chi-square test for independence? Explain.

  Counting the number of combinations

In his wardrobe at home, a businessman has 7 suits and 8 ties. From those suits and ties he has on hand, he plans to take 3 of the 7 suits and 2 of the 8 ties with him to a conference in San Francisco.

  Significance level to test the null hypothesis

Listed below are measured loads (in lb) on the left femur of crash test dummies used in the same cars listed in the Chapter Problem. Use a 0.05 significance level to test the null hypothesis that the different car categories have the same mean. Do..

  Psychological research situation

Describe a psychological research situation or scenario that would use a nonparametric test. Why would the nonparametric test be used?

  Concepts and properties of hypothesis testing

What is a hypothesis? Specifically, is it a statement about the population or the sample? What is the purpose of hypothesis testing?

  Ninety five percent confidence interval for the true mean

Average electric use was studied.a previously known population standard deviation was 450KWH. a sample of 81 houses was studied and found to have a mean of 1858 KWH. Find the 95% confidence interval for the true mean.

  Hypothesis testing for distinction between two means

The International Coffee Association has reported the mean daily coffee consumption for U.S. residents as 1.65 cups. Assume that a sample of 38 people from a North Carolina city consumed a mean of 1.84 cups of coffee per day

  Regression analysis of depression data

A University Counseling Clinic is interested in predicting the levels of depression from the number of social events attended per week by a sample of their clients. The data are below:

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