Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. The analysis of historical data for Stock A and Stock B states that whenever A goes up, B goes down; and whenever A goes down, B goes up. Find out the sign of correlation coefficient between A and B?     

a. positive        

b. negative      

c. either positive or negative  

d. There isn't enough information to decide.

2. A visual display that shows mean, median, first and third quartiles, and +/- 1, 2, and 3

standard deviations from mean is called:

a. scatter diagram

b. box-and-whisker plot

c. stem-and-leaf display

d. dot scale diagram

3. If events A and B are mutually exclusive, as well as P(A)=0.3 and P(B)=0.5, then P(A or B)=:

a. 0.3

b. 0.5

c. 0.8

d. 0.65

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920391

Have any Question? 


Related Questions in Statistics and Probability

The time spentin days waiting for a heart transplant in two

The time spent(in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. Complete parts(a) and(b) below. μ = 1 ...

Considering the effect that colonialism has had on the

Considering the effect that colonialism has had on the world today, how has and/or does Colonialism continue to affect the world? Choose one country or area that we have studied and discuss the continuing effects of colo ...

Question at the first state bank the average savings

Question: At the first state bank the average savings account balance in 2004 was $1300 with a standard deviation of $80. A random sample of 45 savings account balances for 2005 yielded a mean of $1350. At the alpha=01 s ...

The number of credits being taken by a sample of 13

The number of credits being taken by a sample of 13 full-time college students are listed below. Find the mean, median, and mode of the data, if possible. If any measure cannot be found or does not represent the center o ...

Consider the three alternative allocations of money m in an

Consider the three alternative allocations of money (m) in an economy composed of three people, with people labeled A, B, C, and alternative allocations labeled X, Y, Z. The values in the 9 cells are the moneys accruing ...

The following electoral method is used to choose the mayor

The following electoral method is used to choose the mayor of Whoville: Every resident ranks the candidates from most preferred to least preferred, and places this ranked list in a ballot box. Each candidate receives a n ...

1 what are order effects and how does counterbalancing help

1. What are order effects, and how does counterbalancing help us deal with them? 2. Distinguish between treatment, confound, and error variance. 3. Which is worse--confound variance or error variance? Why?

Part -11 the final project is like a very abbreviated mini

Part -1: 1) The final project is like a VERY abbreviated mini research report, where you will be running a combination of descriptive statistics and inferential statistics on a dependent variable and an independent varia ...

1 why can it be argued that the formula for calculating r

1. Why can it be argued that the formula for calculating r should be named the Edgeworth, rather than the Pearson, correlation coefficient? 2. Why may we not interpret or discuss a correlation coefficient that is not sta ...

Getting ready for a re-test for applied managerial

Getting ready for a re-test for Applied Managerial Statistics and will need some assistance. It is 24 questions and I have 3 hours once I access it. This should be an advanced question.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen