Ho theorem Study guides, Class notes & Summaries

PYC3704-exam-prep - Assignments questions and answers Psychological Research (University of South Africa) lOMoARcPSD| PYC3704 – Psychological Research Topic 1 Inferential Statistics – concerned with inferring numerical properties of statistical populations from sample data Theory:  Accounts for facts and suggest how they are related to each other. A framework of ideas that provides an explanation of something  The theory – if true – implies what we should observe under...

Oct/Nov 2015 QUESTION A N S PAGE NR S QUESTION ANS A N S PAGE NR 1. A psychological theory is best defined as - - - - - S 1. a set of observations of human behavior 2. postulated relationships among constructs 3. statistical inferences based on measurements 2 Study guide: P99-100 2. A master’s student in psychology plans to study human consciousness, following the recent publication of Watson's theory about the nature of consciousness. The main aim of th...

1.Bonferroni Test: When planned? Df used? α used? Which/how many contrasts allowed? What test statistic is used to find the critical value? - a.A priori b.Df = 1 c.αβ= αc d.Any and all contrasts allowed e.F 1.Define a 2-way interaction - a.The effect of one IV(A) on the DV varies across levels of another IV (B) 1.Define Carryover effects - a.The effects of earlier trials on the DV scores obtained in later trials 1.Define Experiment-Wise Type 1 Error Rate (αEW) - a.=the probability ...

Health Care Administration Final Exam Study Guide Questions with Correct Answers Ambulatory Care Sensitive Conditions - Answer-Conditions for which patients are hospitalized that could have been handled on an outpatient basis. Appropriate Care - Answer-Care for which expected health exceed negative consequences. Assisted Living - Answer-Services provided to individuals who need assistance with activities of daily living. Attending physicians - Answer-Doctors who have "privileges"...

In hypothesis testing, the tentative assumption about the population parameter is called - ANSWERSthe null hypothesis A fast food restaurant has automatic drink dispensers to help fill orders more quickly. When the 12 ounce button is pressed, they would like for exactly 12 ounces of beverage to be dispensed. There is, however, undoubtedly some variation in this amount. The company does not want the machine to systematically over fill or under fill the cups. Which of the following gives the co...

Alpha correct answersThe probability of committing a Type I Error. Alternate Hypothesis correct answersA statement that is accepted if the sample data provide sufficient evidence that the Ho is false. Bar Chart correct answersA graph in which the classes are reported on the horizontal axis and the class frequencies on the vertical axis. The class frequencies are proportional to the heights of the bars. Beta correct answersThe probability of committing a Type II Error. Central Limit T...

Is a quantitative variable always measured in numbers? - ANSWER Yes Is any measurement that you record from a sample a variable? - ANSWER False What is a statistic? - ANSWER The measure that is taken from the whole sample as a summary of the sample Sample data skewed to the left, then longer tail is at the... - ANSWER Left What is sensitive to outliers? - ANSWER Median Formula to calculate standard deviation - ANSWER s = sqrt(sum(x1-xbar)^2 / n-1) How to calculate degrees of fr...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS • A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of o Inferential statistics • If x is a binomial random variable with n=10 and p=0.8, what is the probability that x is ...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS 1 A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of _______. • inferential statistics 2 If x is a binomial random variable with n=10 and p=0.8, what is the proba...

QNT 561 FINAL EXAM – QUESTION AND ANSWERS If x is a binomial random variable with n=10 and p=0.8, what is the probability that x is equal to 4? • .0055 • .0063 • .232 • .994 • .124 The weight of a USB flash drive is 30 grams and is normally distributed. Periodically, quality control inspectors at Dallas Flash Drives randomly select a sample of 17 USB flash drives. If the mean weight of the USB flash drives is too heavy or too light the machiner...