KAYLIN HOFFMAN.

STAT 201 Final Exam Study Guide Solutions Discrete vs. Continuous discrete random variable X takes a set of separate values while a continuous random variable has its possible values form an interval - ANSWER-discrete random variable X takes a set of separate values while a continuous random variable has its possible values form an interval Definition of Expected Value - ANSWER-the mean μ of the probability distribution of a random variable x = E[X] Definition of Variance - ANSWER-weight...

stat 201 final exam practice questions and answers The standard deviation of the sampling distribution is ? - ANSWER-standard error The best guess of what the parameter might be based on the sample statistic calculated is the - ANSWER-Point estimate The Midpoint of the Confidence Interval is the - ANSWER-Point estimate Measurement that describes how far a point estimate falls from the parameter value given in the null hypothesis in terms of the number of standard error is the - ANSWER-Tes...

Stat 100 – Final Exam Study Guide Solutions Is the following variable quantitative (measurement) or categorical: Level of Education Completed - ANSWER-Categorical Is the following variable quantitative (measurement) or categorical: Eye Color - ANSWER-Categorical Is the following variable quantitative (measurement) or categorical: Course Letter Grades - ANSWER- Categorical Is the following variable quantitative (measurement) or categorical: Number of Students in a Class - ANSWER-Quantit...

STAT 100 FINAL EXAM – UMD STUDY GUIDE SOLUTIONS Population - ANSWER-The group being studied. This includes all of the individuals in the group. Sample - ANSWER-A subset of the population. Distribution - ANSWER-Where names of categories and their frequencies are shown. Descriptive Statistic - ANSWER-Statements about the sample organizing and summarizing the information collected. Inferential Statistic - ANSWER-Generalization of sample results to statements about the population. Categor...

STA 271 Final Exam Questions and Answers 100% Pass one sample z test - ANSWER-1 - State null/alternate hypotheses [ex] test the hypothesis that the mean weight gain of pregnant women was more than 30 pounds... null hypothesis: H₀: μ = 30 alternate hypothesis: H₁: μ > 30 _____________________________ 2 - use z-formula to find z-score [ex] 1,500 women followed the Atkin's diet for a month. A random sample of 29 women gained an average of 6.7 pounds. Test the hypothesis that th...

STA 270 -FINAL REVIEW STUDY GUIDE SOLUTIONS Parameter - ANSWER-A value that describes an aspect (mean, proportion, correlation) of the population Statistic - ANSWER-a numerical measurement describing some characteristic of a sample. This value is computed from data in a sample. Random distribution - ANSWER-statistical distribution in which the location of members in a population is totally random, location of each individual is determined by chance/probability Statistical inference - ANSW...

STA 270 Exam Study Guide Solutions Identify the cases and variables in the situations below, label the variables as categorical or quantitative Asking US citizens whether or not they support gun control - ANSWER-cases: US citizens Categorical Variable: support or not support Identify the cases and variables in the situations below, label the variables as categorical or quantitative Asking college students how many hours of sleep they got last night - ANSWER-Cases: college students Quantit...

St Petersburg College Civic Literacy Exam Study Guide Solutions Democracy - ANSWER-Type of government where power is derived from the people, either directly or indirectly. Representative Democracy or Democratic Republic - ANSWER-An indirect or a representative democracy where eligible voters choose representatives to act on their behalf and make political decisions. Constitutional Democracy - ANSWER-A government that draws its legitimacy from an authoritative document (a constitution) t...

ST 260 FINAL EXAM QUESTIONS AND ANSWERS In a simple regression of Y and X, if the sample correlation between Y and X is -1, then SSE must be equal to zero. - ANSWER-True MSR is an unbiased estimate of the error variance, STDV^2. - ANSWER-False: this is MSE In simple linear regression, one of the assumptions of the model is that the response variable is independent of the explanatory variable. - ANSWER-False: response variable responds to the explanatory variable In simple regression, if ...

SSCP Review Questions with Correct Answers How many years of experience are required to earn the Associate of (ISC)2 designation? A. Zero B. One C. Two D. Five - ANSWER-[Security Fundamentals] A. You don't need to meet the experience requirement to earn the Associate of (ISC)2 designation, so zero years of experience are required. The SSCP certification requires one year of direct full-time security work experience. If you earn the Associate of (ISC)2 designation, you have two years ...