Problems on Regression and Correlation Prepared by: Dr. Elias Dabeet Q1. Dr. Green (a pediatrician) wanted to test if there is a correlation between the number of meals consumed by a child per day (X) and the child weight (Y). Included you will find a table containing the information on 5 of the children. Use the table to answer the following: Child Number of meals consumed per day (X) child weight (Y) X² Y² XY Ahmad 11 8 121 64 88 Ali 16 11 256 121 176 Osama 12 9 144
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attachment‚ ADHD‚ child abuse‚ family‚ forensic contexts‚ parent–child interaction/observed behavior‚ premature termination/medical treatment adherence‚ social support‚ substance abuse‚ and parental depression. Correlations between the subscales on the PSI-3 and PSI-4 ranged from 0.85 to 0.99. Correlations were found to be higher between the Parent domain and its own subscales (r = 0.82‚ SD = 0.061) than between the Parent
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spirituality A STUDY ON THE WORKPLACE SPIRITUALITY CLIMATE‚ COMMITMENT AND PERFORMANCE ABSTRACT As now a day’s employee’s spirituality in organizations are very important issues in the area of management and organizations. Years ago people were wanted to put their spiritual existence behind the door before entering the workplace‚ but nowadays‚ separating work life from spiritual life reduces employee’s morale and these two cannot be separate and people like being with their whole (physical
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Dependent and Independent samples (tc and td) One-way analysis of variance (The F test uses variance as an index for the difference between two or more means.) (BG p. 174) Factorial Analysis of Variance (BG p.180) TOPIC 2 CORRELATIONAL DESIGN Correlation coefficient (BG p. 208) Regression analysis‚ testing Beta (BG p.221) Prediction and regression analysis (BG p. 235) Multiple regression analysis (BG p.245) TOPIC 3 FACTOR ANALYISIS (BG p. 268) Latent and manifest variable TOPIC 4 RESEARCH PROPOSAL
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The closer absolute value of this number is to 1‚ the more correlation exists between the factor you have chosen to examine and the heart rate data. Go to http://www.danielsoper.com/statcalc/calculator.aspx?id=44 and enter the correlation coefficient along with the sample size of individuals used in your calculation. This will give you a probability of obtaining these results by chance (p-value).
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Agricultural Research Station‚ Nandyal - 518 503 (Andhra Pradesh)‚ India. 1 Abstract An investigation was carried out with 25 rabi sorghum genotypes to assess the association of grain yield components on grain yield per plant. Results of correlation analysis indicated that the grain yield per plant was found to be significant and positively correlated with panicle weight‚ harvest index‚ 100-seed weight and panicle length. Dead heart percentage showed significant negative association with
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You know that divorce is more common nowdays‚ but do you know the causes? According to the statistics offered by INEGI in a survey practiced in 2005‚ 70% of the couples who get married take the decision of getting divorce. There are many reasons why they make yhis decision‚ but there are three main causes which are lack of communication‚ financial issues‚ and abuse. Lack of communication is one of the main causes of divorce. A marriege is on the rocks when the lines of communication fail. You
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DQ 1 Week4 You notice that your accounts receivable days outstanding have doubled in the first 6 months. Do you give someone a bonus or put him or her on probation? Why? Just because the accounts receivable days outstanding have doubled in the first 6 months does not mean that someone gets a bonus or is put on probation. There is not enough information given in this question to warrant such action. This type of action is jumping to conclusions and assuming without the evidence to substantiate
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1 ARTICLE REBUTTAL Article Rebuttal Paper The article selected is entitled “No children ... but with pets!” The article discusses the issue of couples that cannot or decided not to have kids and decide to replace that responsibility with the integration of pets in their daily life. A popular saying expresses that “To whom God does not give children gives lots of nephews”‚ but for the author‚ instead of nephews‚ it gives her pets and that why her nephews loves her more. As she says‚ for
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In “Is There a Duty to Die?” the philosopher John Hardwig contends that‚ given certain criteria‚ one MAY have a duty to kill oneself‚ or be assisted in doing so (33-42)! He argues‚ for example‚ that if someone sickly and family dependent becomes a heavy burden for their family to bear (Harwig 33-42)‚ then it may cause this family to suffer unnecessarily (i.e. money‚ stress‚ and time are all factors that may lead to family suffering). And so‚ prolonging the life of this sickly family member may cause
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