Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

For the data in following sample:     8, 1, 5, 1 5

a. Find out the mean and the standard deviation.

b. Now change the score of X=8 to X=18 and find the new median and standard deviation.

c. describe how one extreme score influences the mean and standard deviation.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922646

Have any Question? 


Related Questions in Statistics and Probability

A sample of office assistants across the san francisco-bay

A sample of office assistants across the San Francisco-Bay Area was created. You want to build a model that will allow you to best predict a starting salary of potential new hires.  It was suggested that the data should ...

The centers for disease control and prevention released a

The Centers for Disease Control and Prevention released a report in 1998 that attributed part of the increase in youth smoking in the 1980s to the use of the cartoon character, Joe Camel, in cigarette advertising. Using ...

These are pretty similarthe population standard deviation

These are pretty similar: The population standard deviation of the number of people who shop online is 3.1. If you want to be 99% confident that the sample mean is within 2% of the population mean, how many people must b ...

Objectivenbspstudents will assume the identity of a person

Objective:  Students will assume the identity of a person living in the north or south during the Civil War and provide a personal experience in the form of a letter. Most of what we know of history prior to technologica ...

1 should demand characteristics be eliminated or

1. Should demand characteristics be eliminated or strengthened in an experiment? Explain. 2. How do researchers detect and eliminate placebo effects? 3. What effect does error variance have on the results of an experimen ...

Exercises -81- for each of the following pairs explain why

Exercises - 8.1- For each of the following pairs, explain why you believe that they are positively related, negatively related, or essentially unrelated. If they are related, identify the dependent variable. a. The cost ...

1 what value of cronbachamp39s alpha coefficient indicates

1. What value of Cronbach's alpha coefficient indicates acceptable interitem reliability? 2. Why are researchers sometimes not able to test the reliability of their measures? 3. What steps can be taken to increase th ...

A recent study that examined bone strength collected data

A recent study that examined bone strength collected data from cadaveric femurs from subjects in three age groups. The data are below. Does mean bone strength differ for the three age groups? Use a 5% level of significan ...

Consider a decision-maker whose subjective probability

Consider a decision-maker whose subjective probability distribution over the set of possible states Ω is p = (p(s)) We ask him to tell us his subjective probability distribution, but he can lie and report any distributio ...

1 when do researchers use regression analysis2 what is

1. When do researchers use regression analysis? 2. What is multiple regression analysis? 3. Distinguish among simultaneous (or standard), stepwise, and hierarchical regression.

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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