Mathematics

Mathematics, 06.07.2019 10:30, shelby7629

6.8+4.3+5.6 estimate a range for each sum

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Mathematics, 17.07.2019 20:20, nickname0097

Astudent wants to estimate the mean score of all college students for a particular exam. first use the range rule of thumb to make a rough estimate of the standard deviation of those scores. possible scores range from 300 to 2200. use technology and the estimated standard deviation to determine the sample size corresponding to a 90% confidence level and a margin of error of 100 points. what isn't quite right with this exercise? the range. rule of thumb.estimate for the standard deviation. nothing.

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Mathematics, 22.07.2019 17:30, wolfyrainECT

Which of the following statistics are unbiased estimators of population parameters? choose the correct answer below. select all that apply. a. sample variance used to estimate a population variance. b. sample mean used to estimate a population mean. c. sample median used to estimate a population median. d. sample standard deviation used to estimate a population standard deviation. e. sample proportion used to estimate a population proportion. f. sample range used to estimate a population range.

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Chemistry, 22.08.2019 19:00, Laurenhahahahah

According to the chart given estimate the useful range for each indicator, from a minimum to maximum ph. the range usually spans 1.5 to 2 ph units. for example, bromphenol blue is considered to be useful in the range from 3.0 to 4.6. what would be the best indicators used for ph= 2, ph= 4, and ph= 6?

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Mathematics, 19.10.2019 01:20, dajahp

Which of the following statistics are unbiased estimators of population parameters? choose the correct answer below. select all that apply. a. sample median used to estimate a population median. b. sample mean used to estimate a population mean. c. sample variance used to estimate a population variance. d. sample proportion used to estimate a population proportion. e. sample range used to estimate a population range. f. sample standard deviation used to estimate a population standard deviation.

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