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History, 28.09.2019 17:30, gsbsjshzn

Why was it important that we waited a year to perform our second population estimate?

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Mathematics, 28.06.2019 15:50, markthecow
Astatistics student would like to estimate the average age of students at her college. she would like to be 95% confident that her estimate includes the actual college population mean. she did a smaller preliminary survey and found that a reasonable estimate of the population standard deviation was 2 1/2 years. how many people must she survey if she wants to be within 1/2 year of the true population mean? round off your answer to the nearest integrer.
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Mathematics, 05.07.2019 20:20, jacky852
Which concept below is not a main idea of estimating a population proportion? choose the correct answer below. a. knowing the sample size necessary to estimate a population proportion is important. b. we can use a sample proportion to construct a confidence interval to estimate the true value of a population proportion. c. using a sample statistic to estimate the population proportion is utilizing descriptive statistics. d. the sample proportion is the best point estimate of the population proportion.
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History, 10.07.2019 11:00, victorialeverp714lg
Identify the plot in the passage below: i was honored to be asked to perform a solo dance at this year's dance recital. after the beginner ballet class got off the stage, it was my turn to perform. i took my position at the center of the stage and waited for my music to begin. with my arms up over my head, and my left leg in mid-air, i waited. i waited and waited. it seemed like i was standing there forever and my arms were getting tired! i was scared when the music did not start! i did not know what to do! finally, the music began. i smiled and performed my routine. the audience let out a loud cheer and applauded my dance. this story takes place at a dance recital. the dancer is excited to perform a solo at the recital. something unexpected happened at the dance recital. everybody cheered for the dancer when she finished her performance.
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Mathematics, 23.07.2019 00:10, isabellacampos4586
Astatistics student would like to estimate the average age of students at her college. she would like to be 99% confident that her estimate includes the actual college population mean. she did a smaller preliminary survey and found that a reasonable estimate of the population standard deviation was 2 1/2 years. how many people must she survey if she wants to be within 1/2 year of the true population mean?
Answers: 3
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