The accompanying data represent the total travel tax (in dollars) for a 3-day business trip in 8 randomly selectedcities. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplotindicates there are no outliers. Complete parts (a) through (c) below.67.72 78.35 69.96 84.58 79.52 85.78 100.81 98.51Click the icon to view the table of critical t-values.(a) Determine a point estimate for the population mean travel tax.A point estimate for the population mean travel tax is $(Round to two decimal places as needed.)HASuest

given data 67.72,78.35,69.96,84.58,79.52,85.78,100.81,98.51sample size (n) = 8

Answered: The accompanying data represent the…

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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Find the Z-scores that separate the middle 44% of the distribution from the area in the tails of the standard normal distribution. book 4 Player.aspx?cultureld=&theme=math&style=highered&disableStandbyIndicator=true&lassignmentHandles The Z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) 4 $ Click the icon to view a table of areas under the normal curve. R F F5 通道 % JUDE 5 6 T OL F6 G 1 19 F7 Y F8 H & 7 00 U J DAR F9 * 00 8 O DELL F10 K 9 Locale=true# F11 O ) L 2 F12 P PrtScr 73°F Sunny [ Insert Clear all 0 Delet Backs
Calculate the z-score representing the bottom 10% of an approximately normal distribution. (Use a table or technology. Round your answer to two decimal places.)
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On average, a banana will last 6.5 days from the time it is purchased in the store to the time it is too rotten to eat. Is the mean time to spoil different if the banana is hung from the ceiling? The data show results of an experiment with 11 bananas that are hung from the ceiling. Assume that that distribution of the population is normal. 5.3, 6, 5.5, 7, 5.4, 5.7, 6.2, 6.4, 9.1, 8.7, 8.3 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v Select an answerv H: ?vSelect an answerv C. The test statistic ?v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?v a f. Based on this, we should Select an answerv the null hypothesis. R. Thus, the final conclusion is that 2
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The accompanying histogram shows the lengths of hospital stays (in days) for all female patients admitted to a certain hospital during one year with a primary diagnosis of acute myocardial infarction (heart attack). Complete parts (a) through (c) below. a) From the histogram, determine whether the mean or median is larger. Explain. A. Because the distribution is nearly symmetric, the mean is expected to be larger than the median. B. Because the distribution is nearly symmetric, the mean is expected to be about the same as the median. C. Because the distribution is skewed to the high end, the mean is expected to be larger than the median. D. Because the distribution is skewed to the high end, the mean is expected to be smaller than the median. E. Because the distribution is skewed to the low end, the mean is expected to be larger than the median. F. Because the distribution is skewed to the low end, the mean is expected to be…
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