What is an outlier?

Q: How do you calculate the odds ratio?

A: The odds in favour of event A is n:m. That is,

Q: which statistical analysis correctly analyzes the matched pair design

A: Here we want to know which statistical analysis correctly analyzes the matched pair design?

Q: Why is minimizing or eliminating biases is more important than precision

A: Understanding the terms Bias : It refers to the difference between the mathematical expectation of a…

Q: You take a sample of the heights (in inches) of 12 professional basketball players. The data are:…

A: Given data: 79, 76, 77, 79, 81, 83, 79, 76, 78, 83, 87, 85.

Q: Claim: Fewer than 93 ​% of adults have a cell phone. In a reputable poll of 1162   ​adults, 85 ​%…

A: Given information- Population proportion, p = 0.93 Sample size, n = 1162 Sample proportion is- We…

Q: In June an investor purchased 300 shares of Oracle at $41 per share. In August she purchased an…

A: From the provided information,X be the share price of Oracle.Let, w be the number of shares.

Q: Why is it important to identify and understand outliers?

A: Solution-: We want to find why is it important to identify and understand outliers?

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the…

A: a) Mean = 1.24 median = 0.57 There is heavy positive skewness in the data.

Q: 79% of the US adults think that political correctness is a problem in America today. You randomly…

A: As per Bartleby policy, I will solve the first three sub-parts The mean of the binomial…

Q: Suppose Marcella wants to compare music listening time among college students on weekdays versus…

A: The t-test is one of the most use full statistical tests in statistical inference. Most of the small…

Q: Public Policy Polling recently conducted a survey asking adults across the U.S. about music…

A: Given that

Q: AP Stats The College Board reported that 58.7% of allstudents who took the 2010 AP Statistics exam…

A: The hypotheses are given below: Null hypothesis: H0: p=0.587. Alternative hypothesis: H1:p>0.587.…

Q: what can we say about outliers if the mean and 5% trimmed mean are equal?

A: Mean is the average of all data points. Trimmed mean is similar to a regular mean, but it trims any…

Q: A magazine article conducted a survey of 807 people in Phoenix metro area and found that 45% of the…

A: Sample size (n) = 807 Population proportion (p) = 45% = 0.45 And  97% confidence interval is (41%,…

Q: The Academic House Publishing Company sends out thetextbooks it publishes to an independent book…

A: AQL = 0.04    LTPD = 0.10 The ratio LTPD/AQL yields the x-axis reference number on the binomial…

Q: Should cell phone use be banned by drivers? 177 people took part in a survey. The answers are…

A:

Q: ​Claim: Fewer than 92​% of adults have a cell phone. In a reputable poll of 1172 adults, 86​% said…

A: The hypotheses for the test are given below. Null hypothesis: H0: p = 0.92 Alternative hypothesis:…

Q: Classify the outlier in each scatterplot as high leverage or not and as influential or not. Explain…

A: An outlier is a data point  whose ordinate or abscissa has an extreme value which is far away from…

Q: In the boxplot below, with outliers shown separately, the median is approximately what? 200 400 600…

A: Given information- We have given the boxplot. We have to find the median of the given data.

Q: Explain with example two-factor ANOVA.

A: Two way ANOVA is a statistical measure in which there are two independent categorical value and one…

Q: The mean score of 8 players in a basketball game was 14.5 points. If the highest individual score is…

A: Given; Mean score of 8 players is 14.5 and mean score of 7 players is 12.

Q: (b) 120 ° r =

A:

Q: A Harris Interactive poll reported that 32.4% of 275 randomly selected Americans living in the west…

A: Denote p1, p2 as the true population proportions of Americans living in the west and south,…

Q: How do you solve for the mean of the sampling distribution of sample means?

A: Solution-: We find how to solve for the mean of the sampling distribution of sample means?

Q: Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the…

A: Given n=15

Q: The boxplots below represent movie run-times (length of a movie in minutes) for movies that have…

A: Given the boxplots represents movie run-times (length of a movie in minutes) for movies that have…

Q: How can we check to see how much the presence of an outlier (or perhaps a few outliers) affect the…

A: Most used statistics are Mean, Median and Mode. Let us now discuss the effect of outliers on…

Q: Looking at the stemplot, determine the number of games in which the point spread was less than 20…

A: In the steam and leaf the points there are11 points spread was less than 20 those are…

Q: Describe the four cases of the Leading Coefficient Test.

A: Let given polynomial function is fx=anxn+an-1xn-1+an-2xn-2+......+a2x+a1x+a0 The graph of given…

Q: Suppose George loses 28% of all chess games. What is the probablity he loses 6 games in a row but…

A:

Q: What is the difference between an influential point and an outlier?

A: Outliers: Data points that diverge in a large way from the overall pattern are called outliers. A…

Q: Interpret calculator display: In a recent poll, people were asked whether they supported an increase…

A: Given

Q: Allstate claims 92% if it's customes are happy with their service. You randomly call 57 customers…

A: From the given information we conduct Z test for proprtion.

Q: The following data represent the length of time, in days, to recovery for patients randomly treated…

A: