You may need to use the appropriate appendix table or technology to answer this question.The following sample data are from a normal population: 10, 8, 12, 15, 13, 11, 6, 5.(a) What is the point estimate of the population mean?esc1(b) What is the point estimate of the population standard deviation? (Round your answer to three decimal places.)(c) With 95% confidence, what is the margin of error for the estimation of the population mean? (Round your answer to one decimal place.)(d) What is the 95% confidence interval for the population mean? (Round your answer to one decimal place.)Qಅ2toW#3EQ●$4Rmdo 5%TAMacBook Pro< 6Y&7WP8UsG9cricut

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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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The following sample data are from a normal population: 9, 7, 11, 14, 12, 10, 5, 4. What is the point estimate of the population mean? What is the point estimate of the population standard deviation? (Round your answer to three decimal places.) With 95% confidence, what is the margin of error for the estimation of the population mean? (Round your answer to one decimal place.) Hint: Notice that the sample size is small, the population distribution is normal, and the population standard deviation is not known. What is the 95% confidence interval for the population mean? (Round your answer to one decimal place.) to
part b please
Please help me with the following question.
1.
The following sample data are from a normal population: Sample size (n) = 25, Sample mean=14, Sample standard deviation=3.6 With 95% confidence, what is the margin of error for the estimation of the population mean?
Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 25 37 39 56 61 71 73 73 80 85 range = (Please enter an exact answer.) standard deviation (ss) = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.)A new number, 180, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.range = (Please enter an exact answer.) standard deviation = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? Range standard deviation IQR
You may need to use the appropriate appendix table or technology to answer this question. In order to estimate the difference between the average yearly salaries of top managers in private and governmental organizations, the following information was gathered. Sample Size Sample Mean (in $1,000s) Sample Standard Deviation (in $1,000s) ** Note $ Private 45 92 8 Governmental 53 82 9 Develop an interval estimate for the difference between the average yearly salaries of top managers of the two sectors. Use 95% confidence and give your answers in dollars. Use technology to find the critical value when df = 95. (Use Private Governmental. Round your answers to the nearest whole dollar.) the data table represents 1000's so be sure to answer the question in 1000's. Example: If the low bound is 7.365, the actual amount in thousands is 7365. to $
The ages of undergraduate students at two universities (one in the east and one in the west) are being compared. Researchers want to know if there is a difference in the mean age of students at the two universities. The population standard deviations are known. The following data shows the results of samples collected at each institution: School Location n (sample size) sample mean ( ) population standard deviation West 33 25.78 6.29 East 35 23.16 7.52 What is the value of the test statistic for the previous problem? (Enter your answer as a positive value even if you calculated a negative test statistic value i.e. if you calculated -1.311 you should enter 1.311). Round your answer to 3 decimal places.
Question 3 Match the questions with answers. Use this sample data for all questions: Table 2: Time taken in seconds. Sample 290, 340, 150, 300, 200, 100, 400, 500, 600, 89, 94 What is the mean for table 2? A. 278.45 What is the median for table 2? B. no mode v What is the mode for table 2? C. 172.06 v What is the sample standard deviation for table2 ? D. -0.46 Calculate the 75th percentile for table 2. E. 622.58 v What is the interquartile range for table 2? F. 290.00 What is the z score for an x value of 200 using table 2? G. 0.46 v Using the empirical rule to find the range of values containing 95% of the data from table 2, what is the upper value of the range? Hint: use the mean and standard deviation you previously calculated. H. 794.64 I. 177.95 J. 400.00 K. 300.00 L. 198.38 M. 100 N. 370
Consider the following sample data. Sample A: 11, 22, 33 Sample B: 81, 92, 103 Sample C: 1,100; 1,111; 1,122 (a) Find the mean and standard deviation for each sample. Sample A: Sample B: Sample C: Mean Sample Standard Deviation (b) What does this exercise show about the standard deviation? multiple choice The idea is to illustrate that the standard deviation is not a function of the value of the mean. The idea is to illustrate that the standard deviation is a function of the value of the mean.
I need an APA write up description of the descriptives of this data set of the number of male and females who preferred hamburgers or hot dogs. (EXAMPLE: “The total sample was n=…, demographic breakup is ......The mean was...the Standard Deviation was…”) etc.

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