Part 2 of 5Find the critical value(s). Round the answer to two deamal places. If there is more than one crtical value, separate themwith commas.Critical value(s):Part: 2/5Part 3 of 5Compute the test value. Always round z score values to at least two decmal places.Part: 3/5Part 4 of 5Make the decision.(Choose ongDo not rejectRejectthe null hypothesis.Part: 4/5Part S of 5Summanze the results.There (Choose one) enough evidence to support the claim that the average expenditureper student has changed. Student Expenditures The average expenditure per student (based on average daily attendance) for a certain school year was$10,337 with a population standard deviation of $1560. A survey for the next school year of 135 randomly selected studentsresulted in a sample mean of $10,590. Do these results indicate that the average expenditure has changed? Use a=0.01.Part: 0/SPart 1 of 5State the hypotheses and identify the claim with the correct hypothesis.Ho: u(Choose one) s(Choose one)Hu (Choose one) s(Choose one)This hypothesis test is a (Choose one) test.Part: 1/5Part 2 of 5Find the critical value(s), Round the answer to two decimal places. If there is more than one cntical value, separate themSubmil Assignmwnt2032 MGr HLLC A s erved me of Ue Py Crder

From the provided information, Sample size (n) = 135 Sample mean (x̄) = 10590 Standard deviation (σ)…

Answered: Student Expenditures The average…

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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ONLY ANSWER QUESTION NUMBER 3 Answer for question 3: 3. chi-square = 7.997, Do not reject Ho; no evidence that the variance is significantly less than 175. chi-square 11.250, Do not reject Ho; no evidence that the variance is significantly greater than 175.
Use the empirical rule to solve the problem (also known as the 68%-95% -99.7% Rule). At one college, GPA's are normally distributed with a mean of 3 and a standard deviation of 06. What percentage of students at the college ha GPA between 1.2 and 4.8? 68% 84,13 % 99.7% 95%
A researcher thinks that how often someone reports visiting a science museum in a year is different for people with children and people with at least one child. They get the following output: Group Statistics Std. Std. Error Respondent's children Visits to No children N 797 Mean Deviation Mean 0.27 1.077 0.038 science museum 1 or more children 2062 1.65 4.997 0.969 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means F Visits to Equal 4.492 Sig. 0.034 -1.231 t df 2857 Sig. (2-tailed) 0.218 science museum variances assumed Equal -1.979 2067.380 0.048 variances not assumed 1. What is the research hypothesis? Is this one-tailed or two-tailed? (note how the problem is worded to indicate if it is one or two tailed)
Hypothesis Testing -Age of Oldest Person: The SUNY Oneonta Office of Old Folks maintains that the mean age of the oldest person known to current undergraduate students (aged 18-25 yrs.) is 97 years. Recently a sample of 74, 18-25 yr. old students identified the age of the oldest person they knew. The mean age was 93.04 yrs. with a standard deviation of 7.10 yrs., a median age of 93.00 yrs., a range of 73 to 112 yrs., and a skew for the data of .22. Do the current data support the Office of Old Folks’ mean? For your answer, SELECT THE APPROPRIATE HYPOTHESES. A. H0: µ = 93.04 yrs. Ha: µ ≠ 93.04 yrs. B. H0: µ = 97.00 yrs. Ha: µ ≠ 97.00 yrs. C. H0: µ = 93.04 yrs. Ha: µ > 93.04 yrs. D. H0: µ = 97.00 yrs. Ha: µ > 97.00 yrs. E. H0: µ = 93.04 yrs. Ha: µ < 93.04 yrs. F. H0: µ = 97.00 yrs. Ha: µ < 97.00 yr
Provide your answer below: Critical value(s) = ___ and ____
Question: A study claims that the average number of books read by college students in a year is 8. A sample of 36 students is selected, and the average number of books read by them is found to be 9 with a standard deviation of 2. Can we support the claim at a 0.01 level of significance?
ANSWER THE FOLLOWING PROBLEMS SHOWING COMPLETE SOLUTION ENCLOSE FINAL ANSWER THANK YOU! topic: FUNDAMENTAL SAMPLING DISTRIBUTION
NEAT N CLEAN ANSWER
The mean number of eggs per person eaten in the United States is 252 and the standard deviation is 68. Do college students eat more than the average? The 45 college students surveyed averaged 281 eggs per person. What can be concluded at the 0.05 level of significance? H0: = 252 Ha: _____________ 252 Test statistic: __________ p-Value =__________ Reject/Fail to reject H0?______________ Conclusion: There is____________ evidence to make the conclusion that the population mean number of eggs consumed college students per year is more than 252 eggs per student per year. p-Value Interpretation: If the mean number of eggs consumed per year for college students is equal to_________ and if another study was done with a new randomly selected group of 45 college students, then there is a ____________ percent chance that the average number of eggs consumed per year for this new sample would be greater than_____________ . Level of significance…
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Question: A research study claims that the average height of adult men in a certain city is 68 inches. A random sample of 25 men is taken and their average height is found to be 66 inches with a standard deviation of 2 inches. Can we reject the claim at a 0.01 level of significance?

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