Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A researcher, under the guise of participant, joined two "singles dating sites" to test advertised superiority of one over the other. He examined several patrons from each site and noted their dating status (single or dating) after one month on sites. The data he gathered is as follows:

 

Site A

Site B

Participants Observed

126

157

Average # of daters

41

74

Variation

3.4

2.7

Test the hypothesis that Site B is more successful in initiating acquaintances than Site A. Employ alpha = .05.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921524

Have any Question? 


Related Questions in Statistics and Probability

Question -after collecting the data a forecaster plans on

Question - After collecting the data, a forecaster plans on initially estimating the following model y = β 0 + i=1 ∑ 8 β i X i + β 9 (X 5 *X 7 ) +e, then dropping all of the X variables that are not significant at the 0. ...

Question 1interpret the following output examining group

Question 1 Interpret the following output examining group differences for purchase intentions. The three groups refer to consumers from the states of Illinois, Louisiana and Texas Dependent variable int 2 Source Type III ...

Another simple question can you give me 3 points regarding

Another simple question, can you give me 3 points regarding to origins of the Cold War.

A bakery was taken to court for selling loaves of bread

A bakery was taken to court for selling loaves of bread that were underweight. These loaveswere advertised as weighing 24 ounces. In its defense, the bakery claimed that the advertisedweight was meant to imply not that e ...

Data mining review questions - xlminer labs - cluster

Data Mining Review Questions - XLMiner Labs - Cluster Analysis1. Marketing to Frequent Flyers. The file EastWestAirlinesCluster.xls contains information on 4000 passengers who belong to the airline's frequent flier progr ...

1 why must researchers ensure that their experimental

1. Why must researchers ensure that their experimental groups are roughly equivalent before manipulating the independent variable? 2. Discuss the relative advantages and disadvantages between within-subjects designs and ...

Researchers use hierarchical regression cross-lagged panel

Researchers use hierarchical regression, cross-lagged panel designs, and structural equations modeling to partly resolve the problems associated with inferring causality from correlation. a. Describe how each of these an ...

1 what three rules govern the construction of a grouped

1. What three rules govern the construction of a grouped frequency distribution? 2. What is the difference between a histogram and a bar graph? 3. Distinguish among the median, mode, and mean.

1 what is the range and why is it not ideal as an index of

1. What is the range, and why is it not ideal as an index of variability? 2. Give a definition of variance, then explain how you would calculate it. 3. How does variance differ from the total sum of squares?

A study wants to examine the relationship between student

A study wants to examine the relationship between student anxiety for an exam and the number of hours studied. The data is as follows: Student Anxiety Scores Study Hours 5 1 10 6 5 2 11 8 12 5 4 1 3 4 2 6 6 5 1 2 Why is ...

  • 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