What is an outlier?

Which, if any, of the observations are outliers? Justify your answer please!

1. Use the results of simulation to appropriate the margin of error for hackers estimate of the proportion of students at his school that can roll their tongue 1b . Interpret the margin of error

You see the following headline on the news: "A new political poll finds that less than 20% of Americans are happy with the new Common Core standards in education".At the bottom of the television screen you see that a sample of 46 Americans were polled. Explain why this might represent sampling bias and give one solution to reduce the potential bias.

A mother bought 4 pieces, namely, apples, mangoes, oranges, and strobey with a proportion of 25%, 15%, 10%, 50%. The size of the possibility of sticking to the house is 0.05; 0.10; 0.15; 0.20. What is the opportunity for fruit damage to the house?

Following are the numbers of calories in a random sample of 10 slices of bread. Assume the population is normally distributed. 55 51 49 48 68 52 62 70 67 70 Construct a 95% confidence interval for the standard deviation of the number of calories.

One of New England Air's top competitive priorities is on-time arrivals. Quality VP Clair Bond decided to personally monitor New England Air's performance. Each week for the past 30 weeks, Bond checked a random sample of 100 flight arrivals for on-time performance. Click the icon to view the table that contains the number of flights that did not meet New England Air's definition of on time. a) The overall fraction of late flights is (enter your response as a real number rounded to two decimal places.) Using a 95% confidence level, the upper and lower control limits are: Upper control limit (UCL) = Lower control limit (LCLp) = b) Assume that the airline industry's upper and lower control limits for flights that are not on time are 0.1000 and 0.0300, respectively. Choose the correct control chart below. O A. Percentage of late flights 0.14- 말 0.12- 0.10- 0.08- 0.06- 0.04- 0.02- 0.00- O A. Percentage of late flights O O c) Choose the chart below that correctly plots the percentage of late…

What is the VaR Controversy?

​Claim: Fewer than 91​% of adults have a cell phone. In a reputable poll of 1119 adults, 83​% said that they have a cell phone. Find the value of the test statistic.

Is the boxplot skewed and does it have any outliers?