Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

How to find the correlation coefficient.

Bicycle helmet use. Table lists data from a cross-sectional survey of bicycle safety. The explanatory variable is a measure of neighbourhood socioeconomic status (variable_RFM). The response variable is percent of bicycle riders wearing a helmet (P_Helm).

Percent of school children getting free or reduced-fee lunches at school (variable P_RFM) and percent of bicycle riders wearing a helmet (variable P_HELM). Data for this research was recorded by field observers in October of 1994.

I (i)     

School               

P_RFM         

 P-HELM  

 

 

 

 

1

Fair Oaks            

50

22.1

2

Strandwood          

11

35.9

3

Walnut Acres

2

57.9

4

Disc Bay             

19

22.2

5

Belshaw

26

42.4

6

Kennedy              

73

5.8

7

Cassell

81

3.6

8

Miner

51

21.4

9

Sedgewick

11

55.2

10

Sakamoto             

2

33.3

11

Toyon                 

19

32.4

12

Lietz

25

38.4

13

Los Arboles           

84

46.6

Compute r for all 13 data points. Define the correlation strength.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923294

Have any Question? 


Related Questions in Statistics and Probability

Business quantative analysis and statistics 1project

BUSINESS QUANTATIVE ANALYSIS AND STATISTICS 1 Project Management Scenario: You are a consultant with expertise in project management strategies. Select a possible project management situation from your current or future ...

Locate one article presenting research using polynomial

Locate one article presenting research using polynomial regression. Your task now is to critique the appropriateness, utility, alternatives, strengths, and weaknesses of the use of statistics to support the hypotheses of ...

Exam - probability and stochastic modelspart a -q1 twelve

Exam - Probability and Stochastic models Part A - Q1. Twelve recruits were subjected to a selection test to ascertain their suitability for a certain course of training. At the end of training there were given a proficie ...

The annual commissions earned by sales representatives of

The annual commissions earned by sales representatives of Machine Products, Inc. a manufacturer of light machinery, follow the normal probability distribution.  The mean yearly amount earned is $40,000 and the standard d ...

1 why do researchers use factor analysis2 imagine that you

1. Why do researchers use factor analysis? 2. Imagine that you conducted a factor analysis on a set of variables that were uncorrelated with one another. How many factors would you expect to find? Why?

Problem 1 three times each day a quality engineer samples a

Problem 1: Three times each day, a quality engineer samples a component from a recently manufactured batch and tests it. Each part is classified as conforming (suitable for its intended use), downgraded (unsuitable for t ...

Electronic mail game let lgtmgt 0 be two positive real

Electronic Mail game Let L>M> 0 be two positive real numbers. Two players play a game in which the payoff function is one of the following two, depending on the value of the state of nature s, which may be 1 or 2: The pr ...

What is the comparison between the threat that the world

What is the comparison between the threat that the world faced from the fascists and communists during the 20th century and the threat faced by the world today from radical Islam? Be sure to include specific two historic ...

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 ...

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 ...

  • 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