For what type of variable does it make sense to construct a confidence interval about a population proportion? Choose the correct answer below. O.A. Qualitative with 3 or more possible outcomes OB. Discrete C. Continuous O D. Qualitative with 2 possible outcomes O E. Quantitative O F. Any variable

For what type of variable does it make sense to construct a confidence interval about a population proportion? Choose the correct answer below. O.A. Qualitative with 3 or more possible outcomes OB. Discrete C. Continuous O D. Qualitative with 2 possible outcomes O E. Quantitative O F. Any variable

Name: OT J0For what type of variable does it make sense to construct a conf
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Description: OT J0For what type of variable does it make sense to construct a confidence interval about a population proportion?Choose the correct answer below.O.A. Qualitative with 3 or more possible outcomesOB. DiscreteC. ContinuousD. Qualitative with 2 possib

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 300 adult residents sampled, 270 like chocolate. To construct a 90% confidence interval for the proportion (p) of adult residents who like chocolate in Ventura County, you need to use which one of the following calculator? Confidence Interval for a Population Proportion One-Way ANOVA Two Independent Proportions Comparison Two Independent Sample Means Comparison Given Statistics Two Dependent Sample Means Comparison Given Data Chi-Square Test for Independence Chi-Square Test for Goodness of Fit Two Independent Sample Means Comparison Given Data Confidence Interval for a Population Mean Given Statistics Hypothesis Test for a Population Mean Given Statistics Hypothesis Test for a Population Proportion Hypothesis Test for a Population Mean Given Data Confidence Interval for a Population Mean Given Data A. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents)…
If we find a 95% confidence interval using a sample, then we can say... 95% of individuals will fall on that interval there is a 5% chance the population proportion is NOT on the interval. 95% of our samples will fall on that interval. No answer text provided.
You are interested in finding a 98% confidence interval for the average commute that non-residential students have to their college. The data below show the number of commute miles for 11 randomly selected non-residential college students. Round answers to 3 decimal places where possible. 18 18 27 17 15 7 11 15 9 12 19 a. With 98% confidence the population mean commute for non-residential college students is between _____ and____miles. b. If many groups of 11 randomly selected non-residential college students are surveyed, then a different confidence interval would be produced from each group. About (____) percent of these confidence intervals will contain the true population mean number of commute miles and about(_____) percent will not contain the true population mean number of commute miles.
INSTRUCTION: Choose the appropriate statistical test from the choices below and do not need an explanation. A. One-Sample t-Test B. Two-Sample t-Test C. Paired-Sample t-Test D. One-Way ANOVA E. Two-Way ANOVA F. Correlational Analysis G. Regression Analysis 1. What appropriate statistical test should be performed if a researcher would like to determine if there is a significant difference in the Systolic blood pressure (SBP) between Male and Female? 2. What appropriate statistical test should be performed if a researcher would like to determine if there is a significant difference in the Serum Creatinine (SCr) between "Under 60" and "60 and Above"? 3. What appropriate statistical test should be performed if a researcher would like to determine if there is a significant difference in the "Cholesterol" level before ("Pre") and after ("Post") the treatment or therapy? 4. What appropriate statistical test should be performed if a researcher would like to determine if there is a…
You are estimating how much population A's proportion of answering yes to a question exceeds population B's proportion who say yes to the same question by using a confidence interval. You have some ability to control the width of your interval. Which of the following would be most likely to ensure that the confidence interval is narrowed? O a. You increase both sample sizes and you decrease your confidence level. O b. You increase both sample sizes and you increase your confidence level. OC. You decrease both sample sizes and you increase your confidence level. O d. You decrease both sample sizes and you decrease your confidence level.
Prof. Gersch knows that the score on a standardized test is perfectly normal with unknown mean and a standard deviation of 50. He then takes a random sample of 25 tests and finds that the average of these is 200. Prof. Gersch wishes to make a 95% confidence interval for the average of all the grades.What is the upper end of the confidence interval? a. 220 b. 300 c. 298 d. 225.8 e. 329 f. 219.6
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Person 1 Person 2 Person 3 Person 4 Person 5 Person 6 Person 7 Person 8 Person 9 Height (inches) 75 62 64 63 62 70 69 70 67 Weight (lbs) 325 250 280 220 235 265 200 365 175 (CLO 1) Construct a confidence interval to estimate the mean height and the mean weight.
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
q11- A point estimate is defined as: Select one: a. the average of the sample values. b. the average of the population values. c. a single value of an estimator. d. an interval within which the population parameter is believed to lie .
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According to a Pew Research Center nationwide telephone survey of adults conducted March 15 to April 24, 2011, 69% of college graduates said that their college education gave them maturity (Time, May 30, 2011). Suppose that this survey included n = 1415 college graduates. a. What is the point estimate of the corresponding population proportion? i b. Construct a 99% confidence interval for the proportion of all college graduates who will say that their college education gave them maturity. What is the margin of error for this estimate? Round your answers to three decimal places. The confidence interval is i to