Mathematics
Mathematics, 24.10.2019 00:00, carliefox26

According to the law of large numbers, as more observations are added to the sample, the difference between the sample mean and the population mean tends to become larger is inversely affected by the data added remains about the same tends to become smaller

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Mathematics, 29.06.2019 17:20, puppy4151
Consider the following data for two independent random samples taken from two normal populations. sample 1 10 7 13 7 9 8 sample 2 8 7 8 4 6 9 compute the two sample means. sample 1: sample 2: compute the two sample standard deviations (to 2 decimals). sample 1: sample 2: what is the point estimate of the difference between the two population means? what is the 90% confidence interval estimate of the difference between the two population means? if required enter negative values as negative numbers (to 2 decimals). use z-table. ( , )
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Mathematics, 15.07.2019 19:10, kay3940
Asample of 65 observations is selected from one population with a population standard deviation of 0.75. the sample mean is 2.67. a sample of 50 observations is selected from a second population with a population standard deviation of 0.66. the sample mean is 2.59. conduct the following test of hypothesis using the .08 significance level. h0: sample mean of the first sample is < or equal to the sample mean of the second sample. what is the approximate p-value?
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Mathematics, 29.07.2019 12:30, cordovatierra16
Akey difference between calculating the sample mean and the population mean is that: a.we use and n instead of µ and n. b.we divide the sum of the observations by n - 1 instead of n. c.the sample observations are ranked and the middle value is selected as the population mean. d.there are no differences.
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