DensityN15-05-bbo20days absentAn education specialist with background in statistics advises us that the data generatingprocess can be well modelled by the Poisson distribution and hence the number of absencescan be assumed to be a Poisson-distributed random variable. Write down the log-likelihoodfunction for the problem and obtain an analytical solution for the Maximum Likelihood esti-mator of the model parameter in closed form.

Consider X to denote the number of absences, which is assumed to be a Poisson distribution. The…

Answered: Dersity 15- 05 bibigand 20 days absent…

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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REM (rapid eye movement) sleep is sleep during which most dreams occur. Each night a person has both REM and non-REM sleep. However, it is thought that children have more REM sleep than adults.† Assume that REM sleep time is normally distributed for both children and adults. A random sample of n1 = 11 children (9 years old) showed that they had an average REM sleep time of x1 = 2.9 hours per night. From previous studies, it is known that ?1 = 0.6 hour. Another random sample of n2 = 11 adults showed that they had an average REM sleep time of x2 = 2.2 hours per night. Previous studies show that ?2 = 0.7 hour. (a)
Hi. I was wondering if I could get help on how to approach part b of this problem
[STATISTICS] MULTIPLE CHOICE: Which option is correct? I will upvote the solution. Thanks!
Statistics - MA3113 B-IC-Edgenuity.com 95% CI Z-Value P-value (0.113, 3.00 0.267) 0.0027 5/25/22, 12:44 PM A carnival game is designed so that approximately 10% of players will win a large prize. If there is evidence that the percentage differs significantly from this target, then adjustments will be made to the game. To investigate, a random sample of 100 players is selected from the large population of all players. Of these players, 19 win a large prize. The question of interest is whether the data provide convincing evidence that the true proportion of players who win this game differs from 0.10. The computer output gives the results of a z-test for one proportion. Test and CI for One Proportion Test of p= 0.1 vs p = 0.1 Sample X N Sample 1 19 100 Р 0.19 What conclusion should be made at the a = 0.05 level? O Because the P-value < a = 0.05, there is convincing evidence that the true proportion of players who win this game differs from 0.10. O Because the P-value < a = 0.05, there is…
Test the Variances. Assume both populations are normally distributed and the population variances are equal. Họ :o = 0 HA:0 + o (Claim) si = 10.3 , s = 2 %3D n1 = 6, n2 = 28 a = 0,10 Round all values to 3 decimal places a. The Critical Value Fo = b. The Test Statistic F = c. Conclusion O Reject the null hypothesis and support the claim O Do not reject the null hypothesis and can not support the claim
1) Hypothesis Testing for Population Mean: Population Variance Known a) A restaurant claims that there is an average of 20g of sugar in each slice of their cheesecake. A testing agency purchases 28 slices and finds an average of 22g of sugar per slice. It is known that the sugar content is normally distributed with σ = 5g. Does the sample seem to indicate that the average sugar content in this restaurant's cheesecake is not 20g? Let α = 0.05. Circle the correct null and alternative hypotheses. i) Нo μ = 20 H : μ = 20 Ho μ = 20 Η : μ 20 ii) What is the significance level? iii) Which test statistic will you use? Circle your answer. Ꮓ T x² iv) Calculate the value of the test statistic for the engineer's sample. v) Determine the critical value of the test statistic. Do not round or truncate. vi) Determine the P-value. Do not round or truncate. vii) What is the conclusion? Circle your response. Accept Ho Reject Ho Fail to reject Ho viii) Does the sample seem to indicate that the average…
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Test the null hypothesis that ros has no effect on salary against the alternative ros has a positive effect at 10% significance level. Use T distribution with df= infinity

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