Apply the Chebyshev's criterion to find the best fit model to fit the following data in the form y = a * 3* + b. Show the model formulation. 0. 1 2 3 4 y 45.3 52.6 60.4 70.2 75.9 79.8
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- The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ? = 0 in favor of ? ≠ 0 at ? = .05? (Give your answers correct to three decimal places.) Population 10 2.3 1.4 6 2.7 6 1.9 1.7 2.1 6.7 Crime Rate 12.4 6.7 7.8 7.4 8 7 8.9 9.1 8 7.7 (ii) Calculate the critical region. (smaller value) (larger value)Which of the following population densities are equivalent to a density of 125 people/mi2? There may be more than one correct answer. i. 1 person/0.08 mi2 ii. 100 people/0.8 mi2 iii. 12500 people/12.5 mi2 iv. 1 person/0.008 mi2 v. 1 person/1.25 mi2Given following data set generate dot plot number of text messages sent by 20 students in Mrs. T calculus class 1 3 2 13 32 8 2 6 3 4 1 0 2 2 0 2 1 2 7 2
