- Study guides, Class notes & Summaries

MSIT 3000 Exam 1 Review Questions & Answers. A food retailer that specializes in organic food wants to open a store at a new location in the state of North Carolina, but first they want to predict whether the new store will be profitable in the town that is being considered. The researchers examine data from their existing organic food stores across the country to find out if there is a relationship between the median income of town residents and the weekly sales of the store. - CORRECT ANSWE...

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2 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT Examples and Clicker Questions - Test 1 Correctly Answered. In order to determine the average IQ of ninth-grade students, a school psychologist obtains a list of all high schools in the local public school system. She randomly selects five of these schools and administers an IQ test to all ninth-grade students at the selected schools. What sampling method was used? - CORRECT ANSWER Cluster A member of Congress wishes to determine her constituency's opinion regarding estate taxes. S...

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8 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT 3000 Practice Test 1a Exam 1 Correct Answers. UGA wants to survey freshmen about their experience filling out the FAFSA (Free Application for Federal Student Aid). They decide to randomly select 13 First Year Odyssey classes and ask every student in the selected classes to fill out a survey. (a) Which sampling method is being used? A. Cluster sample B. Simple random sample C. Stratified random sample D. Systematic sample - CORRECT ANSWER A. Cluster sample UGA wants to surve...

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4 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT 3000 Test 2 With Latest Answers. as the sample size increases the confidence interval - CORRECT ANSWER gets narrower and SE decreases as the confidence interval increases the confidence interval - CORRECT ANSWER gets wider and the critical value increases confidence intervals are not about - CORRECT ANSWER individuals and sample statistics a confidence interval never implies - CORRECT ANSWER that the parameter changes hypothesis test - CORRECT ANSWER used to measure the stren...

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3 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT Test 1 Study Guide Exam. Parameter - CORRECT ANSWER the unknown, true value that we wish we knew Statistic - CORRECT ANSWER any result we get based on the sample data Sampling Frame - CORRECT ANSWER The list of individuals from which the sample is drawn Simple Random Sample - CORRECT ANSWER When every individual is put onto the same list and each person is selected randomly - Everyone has the same chance to be selected Systematic Sample - CORRECT ANSWER - by selecting every ...

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2 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT 3000 Exam 1Self Test Exam Questions & Answers. A company was concerned with the low participation rate in its 401(k) plan. It sampled 48 similar companies and obtained data on their 401(k) participation rates, typical employee salary and number of employees. (a) Identify the cases (to be put in the rows of the data table): A. typical employee salary B. number of employees C. 401(k) participation rate D. 48 companies - CORRECT ANSWER D. 48 companies [ There are multiple meas...

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26 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT Exam 2 Practice Exam Questions with Complete Answers. A mattress company would like to claim that sleeping on their state-of-the-art mattresses leads to greater productivity at work. They select two random samples of workers, half of which will sleep on a regular mattress and the other half will sleep on their special mattress. The next day, they give all the employees a difficult task and rate their performance on a scale from 1-100 (higher is better). (a) Which type of test is desc...

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10 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT Review Practice Exam Quiz Test 1 Correctly Answered. What are data? A bunch of numbers Values along with context Words only - CORRECT ANSWER Values along with context Individuals who answer a survey are called: Subjects Participants Respondents Units - CORRECT ANSWER Respondents The SPCA collects data about the dogs they house. Which is categorical? Breed Age Weight Vet costs - CORRECT ANSWER Breed A major U.S. company is interested in seeing how various promotional...

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14 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT FINAL EXAM 2 STUDY GUIDE TEST. simulation - CORRECT ANSWER when we use a computer to pretend to draw random samples from some population of values over and over sampling distribution of the sample proportion - CORRECT ANSWER the distribution of the sample proportion over many independent samples from the same population

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1 pages

Written in 2024/2025

Grade A+

ROSEGRADES

MSIT Exam 1 Questions with Actual Correct Answers. Statistic - CORRECT ANSWER any number based on the sample Parameter - CORRECT ANSWER true, exact value of whole population we wish we knew Sampling Error - CORRECT ANSWER error purely due to randomness; cannot ever be fully eliminated but can be reduced by taking bigger population size Voluntary Bias - CORRECT ANSWER Individuals can choose on their own whether to participate in the sample; online poll

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2 pages

Written in 2024/2025

Grade A+

ROSEGRADES