Determine the appropriate critical value(s) for each of the following tests concerning thepopulation mean:a. HA: μ> 13, n = 11, o=11.1, α = 0.05b. HA: μ#25, n = 26, s = 34.56, α = 0.20c. HA: μ#35, n = 42, o = 34.562 α = 0.01d. HA: μ< 46; data: 12.5, 14.8, 40.8, 22.1, 19.5; α = 0.005e. HA:x> 12, n = 28, o = 12.5

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Was there a statistical difference in blood glucose between groups at baseline? (Complete t-test for baseline blood glucose between control and glucose groups; interpret results to answer question)
Determine the appropriate critical value(s) for each of the following tests concerning the population mean: a. upper-tailed test: α=0.005; n=25; σ=5.0 b. lower-tailed test: α=0.025; n=28; s=9.0 c. two-tailed test: α=0.02; n=41; s=4.4 d. two-tailed test: α=0.05
a) which for these data is 32.1470, 42.3520, or 10.0674 c) that minimizes the error sum of squares, total sum of squares, or regression sum of squares…for which these data is 32.1470, 42.3520, or 10.0674
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Samples were collected from two ponds in the Bahamas to compare salinity values (in parts per thousand). Several samples were drawn at each site. Pond 1: 37.03, 37.45, 36.75, 37.54, 37.71, 37.02, 37.32 Pond 2: 38.89, 39.05, 38.51, 38.53, 38.71 Use a 2% significance level to test the claim that the two ponds have the same mean salinity value. Assume that nothing is known about the population distribution of salinities. (a) Enter the rank values in the same order as in the original sample. The rank values for Pond 1 are: The rank values for Pond 2 are: (b) The test statistic is: . (c) The test critical value is: . (d) The conclusion isA. There is not sufficient evidence to indicate that the two ponds have different distributions of salinity values.B. There is sufficient evidence to indicate that the two ponds have different distributions of salinity values.
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