KAYLIN HOFFMAN.

STAT 330 Final Exam Questions and Answers Which of the following is not a comment in SAS? a. /* I am not a comment */ b. * I am not a comment ; c. /* * I am not a comment ; */ d. All of the above are valid comments - ANSWER-d. All of the above are valid comments In SAS data sets, missing numeric data are represented by which of the following? Select one: a. A single space b. A single period c. Any number of spaces d. Any of the above - ANSWER-b. A single period Which of the followin...

Stat 305 Exam Study Guide Solutions Chaotic System - ANSWER-a system which minuscule differences can causes entirely different results. Quantitative Theory - ANSWER-Number theory data - ANSWER-information we can record Engineering Statistics 3 parts are... - ANSWER-Collect data summarize data draw formal inferences and conclusions off data Observational Study - ANSWER-you don't effect the study, just happens naturally Experimental Study - ANSWER-You effect the study by manipulating v...

STAT 302 final exam Study Guide Solutions population - ANSWER-the entire group the researcher is interested in sample - ANSWER-the group of people we actually collect data on parameter - ANSWER-a numerical summary of the entire population ex: mean, proportion statistic - ANSWER-a numerical summary of only the sample variable - ANSWER-a characteristic of an individual (must vary from individual to individual) categorical variable - ANSWER-a variable that places an individual into one of s...

Stat 302 Final Exam Review Study Guide Solutions Ch. 24 - ANOVA - ANSWER-ANOVA tests whether all of several populations have the same means. Only one of the sample means needs to be significantly different from another to reject the null hypothesis that all are equal. ANOVA compares the variability among the sample means to the variability among individuals within a group. When the latter is too large, differences among sample means are expected to be larger just by random chance. Larger...

STAT 285 Test 5 Practice Questions and Answers 100% Pass Which of the following is NOT a requirement of testing a claim about the mean of the differences from dependent samples? A. Either the number of pairs of sample data is larger than 30 or the pairs have differences that are from a population having a distribution that is approximately normal, or both. B. The sample data are dependent. C. The degrees of freedom are n−2. D. The samples are simple random samples. - ANSWER-C. The degr...

Stat 260 final Exam Study Guide Solutions Correlation analysis - ANSWER-measures the strength of the relationship between two variables, x and y Residual - ANSWER-The difference between an observed y value and the estimated value (y-hat) predicted by the regression equation. also known as the (random error, Ei) Homoscedasticity - ANSWER-what is the assumption of equal standard deviations about the regression line called? Standard Error of estimate - ANSWER-the standard deviation describi...

STAT 203 Final Exam Questions and Answers 100% Pass What is SE? - ANSWER-Standard Error of p̂ = sqrt((p̂(1-p̂))/n) What is a confidence interval? - ANSWER-range of values in which a specified probability of the means of repeated samples would be expected to fall Property the population proportion p - ANSWER-p is fixed and does not vary. Rather the confidence intervals as what's varying because of sampling variability. What is z*? - ANSWER-This is the critical value z-score such that...

stat 203 final exam practice questions and answers which one of these statistics is unaffected by outliers? a) mean b) standard deviation c) median d) range - ANSWER-c) median supposed P(A) = 0.55 and P(B) = 0.25. what is P (A U B) if are A and B are disjoint? a) 0.8 b) 0.4 c) 0.6625 d) 0.1375 - ANSWER-a) 0.8 take a simple sample of size 25 from a normal distribution: N( mu = 10, theta = 5). The distribution of the sample mean is a) N (mu= 4, theta= 5) b) N (mu= 4, theta= 1) c) N...

STAT 201 - FINAL EXAM STUDY GUIDE SOLUTIONS Design - ANSWER-Stating questions of interest and plan to get a sample. Description - ANSWER-Summarizing and Analyzing data obtained. Inference - ANSWER-Conclusions made for the entire population. Population - ANSWER-The group of all or every item. "All USC students" or "Every resident of SC". Sample - ANSWER-A subset of the population. "A sample of 100 USC students" or "A sample of 500 residents of SC." Parameter - ANSWE...

Stat 201 UTK Final Exam Practice Questions and Answers Which of the following must be met for all confidence intervals? - ANSWER-Randomness and Less than 10% Condition When do you use the Success/Failure for the 3rd condition? - ANSWER-Categorical Variables What condition do you need 5 of? - ANSWER-Expected Cell Count When doing the hypothesis test on the mean, which is a condition that must be met? - ANSWER- Nearly Normal Condition What must be met for all quantitative data (means) test...