Mathematics
Mathematics, 27.06.2019 03:30, stjuliendeja

The claim is that for 12 am body? temperatures, the mean is mu less than98.6degreesf. the sample size is nequals 4 and the test statistic is tequals negative 1.648.

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Mathematics, 26.06.2019 20:40, kayolaaaa53
Ten randomly selected people took an iq test a, and next day they took a very similar iq test b. their scores are shown in the table below. person a b c d e f g h i j test a 106 99 95 92 87 127 115 100 77 108 test b 112 101 99 96 90 130 112 99 80 112 1. consider (test a - test b). use a 0.05 significance level to test the claim that people do better on the second test than they do on the first. (note: you may wish to use software.) (a) what test method should be used? a. two sample t b. two sample z c. matched pairs (b) the test statistic is (c) the critical value is (d) is there sufficient evidence to support the claim that people do better on the second test? a. yes b. no 2. construct a 95% confidence interval for the mean of the differences. again, use (test a - test b). < μ
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Mathematics, 01.07.2019 03:30, vallhernandez13
Use technology to find the p-value for the hypothesis test described below. the claim is that for 12 am body temperatures, the mean is μ> 98.698.6°f. the sample size is n=33 and the test statistic is t=1.021 how do you use technology to find the p--value?
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Mathematics, 02.08.2019 17:20, webbjalia04
You wish to test the following claim ( h a ) at a significance level of α = 0.02 . h o : p = 0.62 h a : p ≠ 0.62 you obtain a sample of size n = 385 in which there are 230 successful observations. for this test, you should not use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. what is the test statistic for this sample? (report answer accurate to three decimal places.) test statistic = what is the p-value for this sample? (report answer accurate to four decimal places.) p-value = the p-value less than (or equal to) α greater than α this test statistic leads to a decision reject the null accept the null fail to reject the null as such, the final conclusion is there is sufficient evidence to warrant rejection of the claim that the population proportion is not equal to 0.62. there is not sufficient evidence to warrant rejection of the claim that the population proportion is not equal to 0.62. the sample data support the claim that the population proportion is not equal to 0.62. there is not sufficient sample evidence to support the claim that the po
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Mathematics, 05.10.2019 03:20, jslaughter3
You can use both the t statistic and the z statistic to test hypotheses about the mean of population. the test that uses the t statistic is typically referred to as a t test, while the test that uses z statistic is commonly called a z test. which of the following statements are true of the t statistic? check all that apply. if you know the population standard deviation, you should use the t statistic. the formula for the t statistic is t = (m – s) / sm the t statistic provides a relatively poor estimate of z with small sample sizes. the t statistic could be considered as an estimated z statistic.
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