O 78($88,000 $92,000)If that Cl is too narrow, what should the sample size have been if we had wanted the boundariesto be at most $5,000 from the mean?O 64O 700O 18.01O 19We are trying to estimate the mean medical bill at Scott & While for heart surgery. A sample of400 patient bills were taken, resulting in the following 95% CI on the mean;

Answered: Image /qna-images/answer/ad0c99b8-0996-44cf-83c9-bbe20ba6551d.jpg

Answered: We are trying to estimate the mean…

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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Answer the following question from the distribution represented bythe histogram below. How much can there be at most data that is smaller thanthe median estimate ?
Do question 1
Question 11 A sample of adults was asked to indicate the amount of money, in dollars, they would be willing to spend on a wedding gift. When a histogram was constructed based on the responses given by each adult, most of the dollar amounts were on the larger side, with only a few dollar amounts on the smaller side. Two measures of center were calculated for this sample: $150 and $279. One of these measures is the mean, and the other is the median. Which measure must be the mean? The mean is $279 because the distribution of dollar amounts would be skewed to the left. The mean is $279 because the distribution of dollar amounts would be skewed to the right. The mean is $150 because the distribution of dollar amounts would be skewed to the left. The mean is $150 because the distribution of dollar amounts would be skewed to the right.
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In order to measure the liking of a developed application, tasters were asked to give a score between 1 and 5 for the application. The arithmetic mean of the results obtained was 2.90, and ∑ni mi = 725. How many people was this experiment applied to?
A medical doctor is interested in determining whether mean body temperatures are different in the morning and at night. Five patients were recruited and their body temperatures were measured first at 8 AM and then again at 10 PM. The data is in the following table: Patient 1 2 4 Morning Night 98.0 97.6 97.2 97.0 98.0 97.0 98.8 97.6 97.7 98.8 For this matched pairs experiment, you should take the differences by calculating: Morning - Night. Also, you may use the fact that the sample standard deviation of 44/V5 the differences is 0.844 and that 0.844 0.3774. What is the test statistic for the test? Round your final answer to two decimals. Next Page Page 5 of 15 126 53 1. NOV 18
Read the following prompt and complete 3.a and 3.b
what would happen to the mean, median, and mode values that you calculated ,if you added one player to the team whose points per game for the season was 25. just tell me if the mean, median, and mode would go up, down, or stay the same. Give an example of variable for which the mean would not be appropriate to describe the data (that is, tell me a circumstance in which you would not want to use the mean to describe a dataset)
Question D. Give a 95% interval estimate of the number of fatal accidents per 1000 licenses in a city where 15% of the licensed drivers are under 21. Same data set as above.
The mean and S.D. of 20 items were found to be 12 and 6 respectively. On checking it was discovered that items which should correctly read as 11 and 21 had been wrongly taken as 15 and 27 respectively. Find the correct values of mean and S.D.
The following data said shows the bank account balance for a random sample of 17 IRSC students. Round solution to two decimal places if necessary. What is the mean of this data set? Mean= What is the median of this data set? Median= What is the mode of this data set if no modes exist type DNE. if multiple modes exist enter the values in a comma separated lists Mode=
Can you find and show the p-value for this question?

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