KAYLIN HOFFMAN.

Stats Final Exam Study Questions and Answers 100% Pass The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. What do the possible responses to the question "Are you happy, indifferent, or unhappy with the performance per dollar spent on the Blu-ray player?" result in? - ANSWER-ordinal scale...

STATS 305 CALCULATIONS EXAM QUESTIONS AND ANSWERS How do you describe a sample ? - ANSWER-By describing the Mean, Medium, and how each unit deviates from the mean (via standard deviation) How do you find the standard deviation - ANSWER-1. subtract each unit by the mean to "center the data" (

STATS 302 Practice Final Exam Questions and Answers Anna Grace is conducting a survey of Texas A&M students. She asks them their age, gender, current GPA, major, current number of credit hours, high school GPAs, and number of days of class they missed in the last month. What kind of variable is major? - ANSWER-qualitative Taylor Swift wants to know the proportion of her fans who listened to her new single ME! within the first hour of it being released. In order to estimate this, she takes a...

Practice quizzes Unit Test 1 - STATS 271 Questions and Answers 100% Pass Which of the following is NOT part of the model of scientific research in psychology presented in the text? - ANSWER-publishing on the internet A falsifiable claim occurs when - ANSWER-it is possible to make observations that would count against the claim. In the case study of using stents to prevent strokes, what summary statistic was used to assess the effects of treatment? - ANSWER-proportion of people who had a s...

Stats 270 Final Exam Questions and Answers Inferential statistics are usually based on data obtained from____ to make generalizations - ANSWER-Samples Which of the following is a discrete variable - ANSWER-Number of children Which of the following is a continuous variable - ANSWER-Time spent watching TV A nominal-level variable like marital status or gender is always - ANSWER-Discrete Categories of nominal level variables should be - ANSWER-Exhaustive, mutually exclusive to avoid ambigui...

stats 260 final – Casselman Exam Questions and Answers Y is also known as? - ANSWER-the responsible variable X is also known as? - ANSWER-the explanatory variable what are the 3 properties of the "least squares" regression? - ANSWER-1) always sums to 0 2) the "least squares" line produces smaller "sum of squared residuals" than any other straight line can 3) the line always passes through point (X bar, Y bar) for the P value, if it's greater than .05, is it useful? ...

Stats 203 Final Study Guide Solutions Repeated measures factorial ANOVA - ANSWER-the statistical procedure for analyzing the results of a factorial study in which all factors are within-subjects factors Interaction effect - ANSWER-a result from a factorial design, in which the difference in the levels of one independent variable changes, depending on the level of the other independent variable Factors - ANSWER-The independent variables in a factorial design Matrix of cells - ANSWER-Represe...

stats 203 final exam practice questions and answers 100% pass What is factorial ANOVA and when do you use it? - ANSWER-used with factorial designs- two or more independent variables Factorial notation system (e.g. 2x2, 2x3) - ANSWER-a way to summarize the design of the study numerically -number of numbers is = to number of factors (variables) -actual numbers= the number of levels for each of the factors What is main effect? - ANSWER-overall effect of a single variable What are interacti...

Statistics 305 Exam Questions and Answers The independent variable is also called the ---> - ANSWER-Factor or treatment variable Factorial designs involve more than one _____ with two ore more _____. - ANSWER-Factorial designs involve more than one IV with two or more levels. how many groups are required in a One-way Anova? - ANSWER-Two groups or more. Why not just test all the possible differences of a one way design with t test? - ANSWER-This would lead to an inflated experiment wise...

Statistics 100 Final Review Questions and Answers 100% Pass We record the zip codes of newly admitted students. How should we treat this data? - ANSWER-As categorical data We record the wavelengths of light reflecting off of several bird-of-paradise feathers. How should we treat this data? - ANSWER-as numeric data We record the genus of every tree identified along a transect. How should we treat this data? - ANSWER-as categorical data The height of bars in a histogram represent frequenci...