MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Given the interval estimate for the mean (9.4, 11), the point estimate for the mean is and the margin of error is
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- May I please get help with this question? Given the interval estimate for the mean (8.6, 12.4), the point estimate for the mean is , and the margin of error is .arrow_forwardBecause the mean is very sensitive to extreme values, it is not a resistant measure of center. By deleting some low values and high values, the trimmed mean is more resistant. To find the 10% trimmed mean for a data set, first arrange the data in order, then delete the bottom 10% of the values and delete the top 10% of the values, then calculate the mean of the remaining values. Use the axial loads (pounds) of aluminum cans listed below for cans that are 0.0111 in. thick. Identify any outliers, then compare the median, mean, 10% trimmed mean, and 20% trimmed mean. 246 259 268 274 275 278 280 283 285 285 286 288 289 292 294 294 296 299 309 506 Identify any outliers. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The outlier(s) is/are pounds. (Type a whole number. Use a comma to separate answers as needed.) B. There are no outliers.arrow_forwardGiven the interval estimate for the mean (8.2, 11.4), the point estimate for the mean is and the margin of error isarrow_forward
- Given the interval estimate for the mean (5.2, 17.8), the point estimate for the mean is and the margin of error isarrow_forwardFor the data set (−2,−3),(1,1),(5,6),(9,6),(12,11), find interval estimates (at a 92.2% significance level) for single values and for the mean value of y corresponding to x=4 Note: For each part below, your answer should use interval notation. Interval Estimate for Single Value = Interval Estimate for Mean Value =arrow_forwardThe mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?arrow_forward
- Given the interval estimate for the mean (9.8, 17.8), the point estimate for the mean is and the margin of error isarrow_forwardUse the 95% rule and the fact that the summary statistics come from a distribution that is symmetric and bell-shaped to find an interval that is expected to contain about 95% of the data values.A bell-shaped distribution with mean 220 and standard deviation 24.The interval is to .arrow_forwardThe error in the “best estimate” of the mean of a parent distribution is determined by the errors in the measurements which are used to determine the estimated mean. True or Falsearrow_forward
- What is the mean squar error for the followin data set x y -2 4 -1 2 0 2 1 1 2 1arrow_forwardA national caterer determined that 87% of the people who sampled their food said that it was delicious. A random sample of 144 people is obtained from a population 5000. The 144 people are asked to sample the caterer`s food. Will the distribution of pˆ,the sample proportion saying that the food is delicious, be approximately normal?arrow_forwardThe table available below shows the costs per mile (in cents) for a sample of automobiles. At a = 0.01, can you conclude that at least one mean cost per mile is different from the others? Click on the icon to view the data table. Let Hss, µms, HLs, Hsuy and μMy represent the mean costs per mile for small sedans, medium sedans, large sedans, SUV 4WDs, and minivans respectively. What are the hypotheses for this test? A. Ho: Hss HMS HLS="SUV HMV H₂: Not all the means are equal. = B. Ho: Hss HMS = μLS="SUV = HMV Ha: Hss #HMS # μLS *μSUV HMV OC. Ho: Not all the means are equal. Ha: Hss HMS HLS HSUV HMV Ho: Hss #HMS HLS ‡μSUV * µMV Ha: Hss HMS = μLS="SUV=MV What is the test statistic? FSTAT (Round to two decimal places as needed.) =arrow_forward
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