The mass of a sample of juvenile lionfish was determined. Using the calculated values providedbelow, test whether the sample represents a population with a mean mass of 82.5 g.n = 12, [Y=1014.0 g. Y = 86126.0Write the hypotheses of the testInterpret the results.

Hypotheses: H0:μ=82.5H1:μ≠82.5 This is a two-tailed test as the direction of alternative hypothesis…

Answered: The mass of a sample of juvenile…

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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A sample of birth weights of 23 girls was taken. Below are the results (in g): 2343.1 3651.5 3043 2570.9 2555 2727.1 2985 2601.5 3772.8 3151.5 2773.3 2702.6 | 2776.9 3436.8 3028.4 3447.5 1838 3356.9 3405 3057.1 3405.5 3926.3 2426.7 * = 2999.2g s = 507.72 g Use a 10% significance level to test the claim that the standard deviation of birth weights of girls is different from the standard deviation of birth weights of boys, which is 550 g. Round all answers to 3 decimal places if possible.
Please provide only typed answer solution no handwritten solution needed allowed
The following data represent the results from the specific gravity test performed in a soil laboratory including twenty samples of sand. * :The value of Root Mean Square is Specific Gravity 2.30-2.39 Number of Samples 1 2.40-2.49 2.50-2.59 3 2.60-2.69 2.70-2.79 6. 7 2.80-2.89 1 3.6-3.8 2.97-3.0 2.4-2.5 2.85-2.95 2.75-2.84 1.5-2.0 2.6-2.7 2.32-2.39
A sample of birth weights of 38 girls was taken. Below are the results (in g): 4002.7 3558.2 31 3104.4 3405.2 3094.4 3145.7 2903.5 3641.1 3530.4 2348.2 3027.4 3542.7 2151.5 3583.6 3280.3 4072.1 2989.5 3595.1 2444.4 3537.2 1969 3720.5 3440.5 3395.8 3323.1 3475.6 3159.5 3099.8 3070.7 2838.1 2997.8 2584 2577 2850.5 2995.6 2940.9 3845.8 3173.6 (Note: The average and the standard deviation of the data are respectively 3168.8 g and 480.8 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of boys, which is 510 g. Procedure: Select an answer Assumptions: (select everything that applies) Population standard deviation is unknown The number of positive and negative responses are both greater than 10 O Population standard deviation is known Normal population Sample size is greater than 30 Simple random sample
For a population with ? = 100 and ? = 20, what is the X value corresponding to z = 1.50? 30115 101.5130
From the data given below find the number of items (n) : r= 0.5, E xy = 120, oy= 8, E x = 90 %3D Where x and y are deviations from arithmetic mean.
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 33 of the 38 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 94 of the 111 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects treated with echinacea and the second sample to be the sample of subjects treated with a placebo. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 #P2 Hy:P1 =P2 O B. Ho: P1 =P2 H1: P1 P2 H1: P1 #P2 Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? the null hypothesis. There sufficient evidence to support the claim that echinacea…
b) Calculate the fitness of a population with allele frequency x = 0.4. W = Give your answer rounded to 2 decimal places. Find the allele frequency, x, of a population with fitness 0.2. X =
A sample of birth weights of 30 girls was taken. Below are the results (in g): 3813.4 3865.6 3640.6 3960.9 3344.1 3731.1 3764.6 2590.2 3548.2 2991.3 3116.1 2803 3202.7 2893.8 3606.7 3434.1 3595.8 2911.2 2916.3 2955.6 2942 3737.8 2713.4 3962.3 2833.1 3099.7 3013.2 3568.8 3671.4 1958 (Note: The average and the standard deviation of the data are respectively 3272.8 g and 480.82 g.) Use a 1% significance level to test the claim that the standard deviation of birthweights of girls is less than the standard deviation of birthweights of boys, which is 520 g. Procedure: One variance y Hypothesis Test v Assumptions: (select everything that applies) Population standard deviation is unknown Normal population I Sample size is greater than 30 | Population standard deviation is known a Simple random sample | The number of positive and negative responses are both greater than 10 Part 2 of 5 Step 1. Hypotheses Set-Up: where o* is the Но: 1 population standard deviation v f and the units * 270400 are…
he General Social Survey asked the question, "After an average work day, about how many hours do you have to relax or pursue activities that you enjoy?" to a random sample of 1,155 Americans. The average relaxing time was found to be 1.65 hours. G. What is D. What is the statistic given? Describe it in words and give the numerical value. E. Describe the parameter corresponding to the statistic from Part (D) in words.

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The mass of a sample of juvenile lionfish was determined. Using the calculated values provided below, test whether the sample represents a population with a mean mass of 82.5 g. 2 n=12, [Y=1014.0 g, EY = 86126.0