Mathematics

Mathematics, 31.07.2019 13:30, mervesena01

The mean computed from ungrouped data is a more accurate measure than the mean computed from grouped data? a. true b. false

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Mathematics, 27.06.2019 01:30, fortwill05

Alevel 0.90 confidence interval is a) any interval with margin of error â± 0.90. b) an interval computed from sample data by a method that has probability 0.90 of producing an interval containing the true value of the parameter of interest. c) an interval with margin of error â± 0.90, which is also correct 90% of the time. d) an interval computed from sample data by a method that guarantees that the probability the interval computed contains the parameter of interest is 0.90.

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Mathematics, 29.06.2019 18:00, niyawilliams23

Find the mean of the data summarized in the given frequency distribution. compare the computed mean to the actual mean of 52.2 miles per hour. speed (miles per hour) 42minus45 46minus49 50minus53 54minus57 58minus61 frequency 23 13 7 4 1 the mean of the frequency distribution is 47.1 47.1 miles per hour. (round to the nearest tenth as needed.) which of the following best discribes the relationship between the computed mean and the actual mean? a. the computed mean is close to the actual mean because the difference between the means is more than 5%. b. the computed mean is not close to the actual mean because the difference between the means is more than 5%. c. the computed mean is not close to the actual mean because the difference between the means is less than 5%. d. the computed mean is close to the actual mean because the difference between the means is less than 5%.

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Mathematics, 04.08.2019 03:30, eastonstelter

Alevel 0.95 confidence interval is: a range of values with margin of error ± 0.95, which is also correct 95% of the time. any interval with margin of error ± 0.95. a range of values computed from sample data that will contain the true value of the parameter of interest 95% of the time. a range of values computed from sample data by a method that guarantees that the probability the interval computed contains the parameter of interest is 0.95.

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