data: dati and dat2 t = 3.8074, df = 9, p-value = 0.00417 %3D %3D alternative hypothesis: true difference in means is not equal to 0 95 percent confidence interval: 0.7940126 3.1187708 sample estimates: mean of the differences 1.956392 She knows that gary was analyzing data from a study in which 10 persons participated. What kind of hypothesis testing was Gunnar performing? 1. Hypothesis tests for differences in the means of two independent pop- ulations. 2. Hypothesis test for the variance of two independent populations. 3. Hypothesis test for paired measurements. 4. Hypothesis test for the mean of one population. 5. R-command:

data: dati and dat2 t = 3.8074, df = 9, p-value = 0.00417 %3D %3D alternative hypothesis: true difference in means is not equal to 0 95 percent confidence interval: 0.7940126 3.1187708 sample estimates: mean of the differences 1.956392 She knows that gary was analyzing data from a study in which 10 persons participated. What kind of hypothesis testing was Gunnar performing? 1. Hypothesis tests for differences in the means of two independent pop- ulations. 2. Hypothesis test for the variance of two independent populations. 3. Hypothesis test for paired measurements. 4. Hypothesis test for the mean of one population. 5. R-command:

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

4) Question: A sample of 40 patients shows that their average cholesterol level is 200 mg/dL with a standard deviation of 20 mg/dI.. Construct a 99% confidence interval for the population mean cholesterol level.
Please show all work. Thank you!
Help me please
n = 360 and p = 0.09, find the margin of error at a 99% confidence level
Luggage claim returned within 24hrs , 90% recovered . Group who surveyed found only 104/123 people lost luggage was returned within 24hrs
For a 95% confidence interval and n=21 give the Chi-squared right value.
You may need to use the appropriate appendix table or technology to answer this question. The following results come from two independent random samples taken of two populations. Sample 1 Sample 2 n1 = 60 n2 = 25 x1 = 13.6 x2 = 11.6 ?1 = 2.4 ?2 = 3 (a) What is the point estimate of the difference between the two population means? (Use x1 − x2.) (b) Provide a 90% confidence interval for the difference between the two population means. (Use x1 − x2. Round your answers to two decimal places.) to (c) Provide a 95% confidence interval for the difference between the two population means. (Use x1 − x2. Round your answers to two decimal places.) to
Question 1 > For a confidence level of 95% with a sample size of 23, find the critical t value. Submit Question
We have conducted a one sided hypothesis test with a significance level a = 0.05. We would like to also construct a confidence interval with an equivalent level so that we can compare our results. What should the confidence level of this interval be? (Note: Do not include the percent sign.)
Based on a sample of size 49, a 95% confidence interval for the mean score of all students, μ, on an aptitude test is from 59.2 to 64.8. Find the margin of error. Question content area bottom Part 1 A. 2.8 B. 0.05 C. 5.6 D. 0.78 E. There is not enough information to find the margin of error.
A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information. Today (Population 1) Five Years Ago (Population 2)Sample Mean 84 89Sample Variance 112.5 54Sample Size 45 36 The 92.50% confidence interval for the difference between the two population means is(Round your answers to 2 decimal places.)
You want to find a 92% confidence interval for the proportion of PLM students who get a student scholarship allowance from the government of the City of Manila. You found an information from the city administrator that states that around 75% of PLM students are to get the allowance. At a maximum error of 5%, how many samples do you need?