oxfrom the given parameters of the population and sample size.p=83, o = 18, n=81Determine andPx4-0TextbookOI

Given that μ=83 & n=81 & σ=18

Answered: and o μ=83, o = 18, n=81 Determine H…

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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Assume that you want to test the claim that the paired sample data come from a population for which the mean difference is ud = 0. Compute the value of the t test statistic. Round intermediate calculations to four decimal places as needed and final answers to three decimal places as needed. 7) The following table shows the weights of nine subjects before and after following a particular diet for two months. You wish to test the claim that the diet is effective in helping people lose weight. What is the value of the appropriate test statistic? Subject A Before 168 180 157 132 202 124 190 210 171 After 162 178 145 125 171 126 180 195 163 A) 0.351 7) B Н B) 3.156 C) 9.468 D) 1.052
Suppose a variable x has population mean μ - 39.45 and standard deviation o = = 2.67. Determine the standard error (SE) of the sampling distribution of the mean of a simple random sample of size n = 12. Give your answer precise to two decimal places. Answer: Check
Consider a normally distributed population of scores with a mean μ = 100 and σx = 10. What score has a Z value of -0.82?
Question 16. Please Show Work
7.10 The highway patrol expects at least N = 3000 cars to pass the checkpoint. Determine the sample size required to estimate p to within B = 0.015 unit.
The owner of a small pet supply store wants to open a second store in another city, but he only wants to do so if more than one -third of the citys households have pets( otherwise there wont be enough business). he samples 150 of the households and finds that 64 have pets. 1. state the parameters and hypothesis 2. find the observed sample statistic 3. what is the p- value, and is this statistically significant?
A test was made of Ho: u, = H, versus H,: µ, < µ,. The sample means were x, = 7 and 14, the sample standard deviations were s 5 and s, = 6, and the sample sizes 14 and n, 19. were n
Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 101.16, y = 102.3, r= 0.810, P-value = 0.000, and y = 23.09+0.78x, where x represents the IQ score of the wife. Find the best %3D %3D %3D predicted value of y given that the wife has an IQ of 109? Use a significance level of 0.05. Click the icon to view the critical values of the Pearson correlation coefficient r. .... The best predicted value of y is . (Round to two decimal places as needed.) Critical values of the pearson correlation coefficient r NOTE: To test Ho: p = 0 against H,: p#0, reject Ho |if the absolute value of r is greater than the critical value in the table. a = 0.05 a = 0.01 4 0.950 0.990 0.878 0.959 0.811 0.917 0.754 0.875 0.707 0.834 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 13 0.553 0.684 14 0.532 0.661 15 0.514 0.641 16 0.497 0.623 17 0.482 0.606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 25 0.396 0.505 30 0.361 0.463 35 0.335 0.430 40…
G m1 chip - Google Search É 13-inch MacBook Pro - Space .austincc.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_756751_1&course_id=_846.. Question Completion Status: QUESTION 4 Is the following an observational study or an experiment? Take a random sample of people at a fitness center. Ask them if they use resistance bands or not. Compare the average muscle mass for those who do and those who do not use resistance bands. O Observational Study O Experiment QUESTION 5
Find the critical value tc for a 95% confidence level when the sample size is 18. Use Table 4 on page A10 (Appendix) A. 1.740 B. 2.110 C. 2.101 D. 1.734
A random sample of 150 residents in one community was asked to indicate their first preference for one of three television stations that air the 5 p.m. news. The results obtained are shown in the following table. Test the null hypothesis that for this population their first preferences are evenly distributed over the three stations. Station A B C Number of first preferences 47 42 61

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and o μ=83, o = 18, n=81 Determine H 4=0 from the given parameters of the population and sample size.