Interpretations of r squared value

Assignment Help Basic Statistics
Reference no: EM1398340

Graph one shows a number of observations that are very spread out but generally trending from the top left of the graph to the bottom right. Graph two has a number of observations that would be tightly packed around a trend line sloping from the bottom left to the top right. Which of the following statement(s) are true?

a) Graph one should have a higher r-squared value

b) Graph two should have a higher r-squared value

c) Graph one has a positive slope

d) Graph two has a negative slope

e) A and C

Please explain

Reference no: EM1398340

Questions Cloud

Find difference between replication and transcription : Some key differences between the processes of replication and transcription include.
Lp for minimum location distribution : Formulate and solve a 0-1 integer linear program model that can be used to find the minimum number of locations necessary to provide coverage to all areas. Clearly indicate your linear program model.
Relationship in phylum echinoderms and phylum chordates : One of the most interesting concepts in animal evolution is the relationship between the phylum Echinoderms and the phylum Chordates. Humans belong to the phylum Chordata.
Gasoline prices for a region of normal distribution : Assume gasoline prices for a region are normally distributed. Do the data you obtained provide enough evidence to reject the claim?
Interpretations of r squared value : Graph one shows a number of observations that are very spread out but generally trending from the top left of the graph to the bottom right.
Write an application that uses string method region : Write an application that uses String method region - Matches to compare two strings input by the user. The application should input the number of characters to be compared and the starting index of the comparison.
Creating pedigree chart : Bonnie and David had five children: two boys, both of whom had Menkes disease, and three girls who were all unaffected. Two of the three girls, Rose and Elizabeth, married.
Estimating the monthly cost of electricity : They decide to sample some fast-food restaurants currently operating to estimate the monthly cost of electricity. They want to be 90% confident of their results and want the error of the interval estimate to be no more than $100.
Best model selection critiria : Compare two models. Model #1 has an r-squared of .55 and an adjusted r-squared of .50. Model #2 has an r-squared of .52 and an adjusted r-squared of .51. Given this information, what model should you use?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Standard deviation of doctors ages

The given data show the age distribution of top 14 doctors in emergency faculty of local hospital.

  Maximize revenue during the month

A producer of pleasure boats wants to maximize revenue during the next month. Two types of boats are sold, x1 and x2. Type x1 sells for $40,000 and type x2 sells for $30,000.

  Find the explanatory variables in this study

The height and diameter of 31 trees of a certain species were measured, the trees were cut down, and the volume of usable lumber was determined. Find the explanatory variable(s) in this study are

  Multiple comparison test-lsd

With this important detail, are there any significant differences with LSD?

  Differentiate between correlation and causation

Differentiate between correlation and causation. What are the practical applications? How would it be used in the workplace?

  Mean-median-mode-sample standard deviation

Enter the data and use the appropriate commands to find the mean, median, mode, sample standard deviation, population standard deviation, 10% trimmed mean, and data count.

  Number of customers live locally

A firm keeps account for 28 customers. 12 of these are defined as new customers and 14 are locally based. If just 3 new customers live locally, how many established customers do not live locally?

  Clarification of correlation and regression

Please define correlation and regression. Describe a management or business-related scenario where a researcher might be interested in whether a number of variables are correlated (without any assumptions about causation).

  Decision on selecting the destination

They both want to know what family member typically does the research about possible honeymoon destinations, and who primarily makes the decision on selecting the destination.

  Normally curved distribution

Assume that the following four examines were tested as part of a large group that had a normally curved distribution.

  Determining conclusion regarding null hypothesis

What is your conclusion regarding null hypothesis?

  Normal distributed with mean

In healthy adults, x is approximately normally distributed with mean µ = 38 and standard deviation σ = 12. What is the probability that:

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