A researcher is interested to see if SAT scores correlate with university GPA. SAT GPA 1250 2.7 1550 3.7 1600 4 1475 3.2 1400 2.8 1350 3.6 1325 4 1275 3.6 1420 3.4 1320 3.7 SPSS Output (Correlation Matrix and Scatterplot): Describe the relationship in non-technical terms and any potential third variables: Report the Correlation in APA format:

A researcher is interested to see if SAT scores correlate with university GPA. SAT GPA 1250 2.7 1550 3.7 1600 4 1475 3.2 1400 2.8 1350 3.6 1325 4 1275 3.6 1420 3.4 1320 3.7 SPSS Output (Correlation Matrix and Scatterplot): Describe the relationship in non-technical terms and any potential third variables: Report the Correlation in APA format:

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter4: Writing Linear Equations

Section: Chapter Questions

Problem 11CT

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Calculate the linear correlation coefficient for the data below
The Excel file Myatt Steak House provides five years of data on key business results for a restaurant. Identify the leading and lagging measures, find the correlation matrix, and propose a cause-and-effect model using the strongest correlations. Myatt Steak House 2010 2011 2012 2013 2014 Order Accuracy X1 86.0% 86.0% 89.0% 90.0% 95.0% Timeliness of Delivery X2 84.0% 82.0% 86.0% 93.0% 95.0% Table Cleanliness X3 4.8 4.8 5.1 5.6 5.8 Customer Satisfaction X4 93.4% 93.2% 94.2% 95.3% 96.7% Total # Complaints X5 492 467 431 326 310 Customer Referrals X6 6 12 24 48 96 Gross profit/seat X7 $9,000 $8,000 $11,000 $13,000 $13,250 Market Share X8 8.00% 8.10% 8.20% 8.50% 8.59% Revenue per employee X9 $33,741.00 $27,454.00 $31,299.00 $36,291.00 $41,240.00 Menu Shortages X10 0.05% 0.04% 0.03% 0.03% 0.01% Hourly Employee Turnover Rate X11 108% 93% 95% 86% 84% Hourly Employee Satisfaction X12 61 64 63 75 78
A data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass were used to obtain the results shown to the right. Is there sufficient evidence to support the claim that there is a linear correlation between weights of discarded paper and glass? Use a significance level of α=0.05. Click here to view a table of critical values for the correlation coefficient. LOADING... Correlation matrix: Variables Paper Glass Paper 1 0.3335 Glass 0.3335 1 Identify the test statistic, r. r= (Round to three decimal places as needed.) identify the critical value(s). (Round to three decimal places as needed.) A. There are two critical values at r=± B. There is one critical value at r=. State the conclusion. Because the absolute value of the test statistic is ▼ greater than, less than, or equal to the positive critical value, there ▼…
A data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass were used to obtain the results shown to the right. Is there sufficient evidence to support the claim that there is a linear correlation between weights of discarded paper and glass? Use a significance level of α=0.05. Click here to view a table of critical values for the correlation coefficient. LOADING... Correlation matrix: Variables Paper Glass Paper 1 0.3098 Glass 0.3098 1 Determine the null and alternative hypotheses. H0: ρ ▼ greater than> less than< equals= not equals≠ nothing H1: ρ ▼ less than< equals= greater than> not equals≠ nothing (Type integers or decimals. Do not round.) Identify the test statistic, r. r=nothing (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as needed.)…
A data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass were used to obtain the results shown to the right. Is there sufficient evidence to support the claim that there is a linear correlation between weights of discarded paper and glass? Use a significance level of α=0.05. Click here to view a table of critical values for the correlation coefficient. LOADING... Correlation matrix: Variables Paper Glass Paper 1 0.1268 Glass 0.1268 1 Determine the null and alternative hypotheses. H0: ρ __ __ H1: ρ __ __ Identify the test statistic, r. r= (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as needed.) A. There is one critical value at r= B. There are two critical values at r=± State the conclusion. Because the absolute value of the test…
A data set includes weights of garbage discarded in one week from 62 different households. The paired weights of paper and glass were used to obtain the results shown to the right. Is there sufficient evidence to support the claim that there is a linear correlation between weights of discarded paper and glass? Use a significance level of α=0.05. Click here to view a table of critical values for the correlation coefficient. LOADING... Correlation matrix: Variables Paper Glass Paper 1 0.3952 Glass 0.3952 1 Identify the test statistic, r. r=enter your response here (Round to three decimal places as needed.)