Number of giraffesSample meanSample standarddeviationTake Sample165.5881.733Enter the values of the sample size, the point estimate of the mean, the sample standard deviation, and the critical value you need for your 95%confidence interval. (Choose the correct critical value from the table of critical values provided.) When you are done, select "Compute".Sample size:☐Point estimate:☐Standard error:كSample standard deviation:☐Critical valuesMargin of error:0.005 = 2.947Critical value:10.010 = 2.60295% confidence interval:10.025 -2.131Compute10.050 -1.7530.100 = 1.341Based on your sample, graph the 95% confidence interval for the population mean of all the heights of fully grown male West African giraffes.• Enter the values for the lower and upper limits on the graph to show your confidence interval.For the point (A) ontor the claim 0.50 from the articleEspañol?

Step 1: Identify the sample sizesample size = number of giraffessample size = 16 Step 2: Identify…

Answered: Number of giraffes Sample mean Sample…

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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You work for a soft-drink company in the quality control division. You are interested in the standard deviation of one of your production lines as a measure of consistency. The product is intended to have a mean of 12 ounces, and your team would like the standard deviation to be as low as possible. You gather a random sample of 17 containers. Estimate the population standard deviation at a 98% level of confidence. 11.94 11.93 12.04 11.99 12.06 11.92 11.98 12.11 11.83| 11.88 12.05 11.93 11.96 12.2 11.92 11.82 11.97 (Data checksum: 203.53) Note: Keep as many decimals as possible while making these calculations. If possible, keep all answers exact by storing answers as variables on your calculator or computer. a) Find the sample standard deviation: b) Find the lower and upper x critical values at 98% confidence: Lower: Upper: c) Report your confidence interval for o: (
Kindly compute the students who got a math score greater than 60
The distribution of heights in a population of women is approximately normal. Sixteen percent of the women have heights less than 62 inches. About 97.5% of the women have heights less than 71 inches. Use the empirical rule to estimate the mean and standard deviation of the heights in this population. Mean: K inches Standard Deviation: inches
give detailed answer please
Cereals sodium values have a mean of 167 and a standard deviation of 77.3. Find the z-score for the cereal that has a sodium value of 0. How would you interpret this z-score?
HIGHWAY SPEEDS: Test the claim that a sample is from a population with a mean that is less than the speed limit of 65 mph. Use a 0.05 significance level. The standard deviation of the sample is 4.0751, the mean of the sample is 60.6667 and n=12. (MUST SHOW YOUR WORK to get full credit) 17. to search 99+
calculate the 95% confidence interval for the mean stock price of the firm assuming that the stock price is normally distibuted.
if your data is not normally distributed, to describe dispersion you should use: O standard deviations O standard deviations based on a median quartiles O modes
Library From a sample of 23 graduate students, the mean number of months of work experience prior to entering an MBA program was 34.24. The national standard deviation is known to be 18 months. What is a 99% confidence interval for the population mean? Accessib A 99% confidence interval for the population mean is (Use ascending order. Round to two decimal places as needed.) Purchas Commu Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer ns Type here to search acer F6 F8 R
You work for a soft-drink company in the quality control division. You are interested in the standard deviation of one of your production lines as a measure of consistency. The product is intended to have a mean of 12 ounces, and your team would like the standard deviation to be as low as possible. You gather a random sample of 18 containers. Estimate the population standard deviation at a 98% level of confidence. 11.98 11.99 11.96 12.09 11.79 11.96 11.87 12.1 12.16 12.03 12.04 12.11 12.12 12.15 11.95 12.23 11.95 12.12 (Data checksum: 216.6) Note: Keep as many decimals as possible while making these calculations. If possible, keep all answers exact by storing answers as variables on your calculator or computer. a) Find the sample standard deviation: b) Find the lower and upper χ2χ2 critical values at 98% confidence:Lower: Upper: c) Report your confidence interval for σσ: ( , )
7. Hypothesis Testing with the P-Value Method A researcher claims that the mean sodium content of sandwiches at Restaurant A is less than the mean sodium content of sandwiches at Restaurant B. The mean sodium content of 22 randomly selected sandwiches at Restaurant A is 670 mg. Assume the population standard deviation is 20 mg. The mean sodium content of 28 randomly selected sandwiches at Restaurant B is 690 mg. Assume the population standard deviation is 30 mg. At a = value method. Clearly show all steps. 0.05, is there enough evidence to support the claim? Use the P-
00 7 In a random sample of six mobile devices, the mean repair cost was $90.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 99% confidence interval for the population mean. Interpret the results. The 99% confidence interval for the population mean u is ( D. (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. parts 2. remaining Clear All Check Answer P Type here to search 查 0 F1 F2 F3 PrtScn Ho F4 F5 F8 #3 & 24 2. 4. 5. C. B. Alt

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