What is an outlier?

Q: Explain what happens when finding the margin of error if all stays the same except the sample size…

A: Solution: The margin of error can be calculated by using the formula:

Q: The five number summary of a dataset was found to be: 2, 5, 11, 16, 18 An observation is considered…

A: For the given set of data as follows: 2, 5, 11, 16, 18 The 5 number summary will be as follows: 1.…

Q: What two characteristics can an outlier affect?

A: An outlier is an observation that lies an abnormal distance from other values in a random sample…

Q: At the 2% level of significance, what is the decision?

A: Given : n1=10 , n2=10 , s1=22.4 , s2=12.0 , α=0.02 Our aim is to find the decision. Here , we use…

Q: What is the median score achieved by a student who recorded the following scores on 10 math quizzes?

A: What is the median score achieved by a student who recorded the following scores on 10 math…

Q: Describe how outliers can impact the relationship between two variables?

A: We have to describe how outliers can impact the relationship between two variables?

Q: . Give the Five-Number Summary and test for Outliers: 1, 5, 8, 10, 11, 12, 13, 18, 19, 20, 28, 38,…

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Q: create a histogram and a boxplot. Are there any outliers? Is the data skewed? How? slove within 30…

A: Sample Sample(x1) 1 2.54 2 1.61 3 1.85 4 2.38 5 1.78 6 2.11 7 4.84 8 1.19 9 1.77…

Q: The five number data set was found to be 3,6,12,18,19 An observation is considered an outlier if it…

A: Given 5 number summary 3, 6,12,18,19

Q: If the five numbers summary of the data are : -14 , 0 , 2 , 3 , 10 then the lower outlier limit =

A: We have given that the data,  14, 0, 2, 3, 10 Then,  We will find the lower outlier limit = ?

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: Hello. I appreciate any help. Thanks.

A: In this question we have to explain which measures of spread is considered as most resistance to…

Q: If there are outliers, then the mean will be greater than the median.  True  False

A: If there are outliers present in the data, the mean and median can have any value. The mean can be…

Q: What are outliers

A:

Q: Explain what is an outlier and how it may affect the data results of an investigation

A: We have to explain an outlier and write how it may affect the data results of an investigation.

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: What is an outlier?

A: We have to describe the outlier. Outlier can be present in any dataset.

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: is an outlier?

A: a) Outlier: The Observation which lies outside the control limit is called an outlier. an outlier is…

Q: A data set has a median 70, 1st quartile 65 and 3rd quartile 85 .Which of the following will…

A: Given that median = 70,  First quartile Q1 = 65 Third quartile Q3 = 85, then Inter quartile range…

Q: if the whale is 48 feet is it an outlier?

A: here use basic of Normal distribution

Q: What is an outlier and how can we identify them?

A: Outlier :   Outliers are data points that are far from other data points. In other words, they’re…

Q: What is Scatterplot?

A: Scatterplot: A scatterplot is a type of data display that shows the relationship between two…

Q: a pollster plans to improve survey results by only conducting polls in which the margin of error is…

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Q: The five number summary of a dataset was found to be: 2, 7, 9, 17, 18 An observation is considered…

A: From the given information we find the solution.

Q: Which of the three measurements, mean, median, or mode, is the most influenced by an outlier value…

A: Outlier in a data set is the value which is much higher than or lower than almost all other values.…

Q: What is assignable variation?

A: SPC is concerned with quality of conformance. SPC is defined as "the application of statistical…

Q: The five number summary of a dataset was found to be: 0, 7, 14, 16, 19 An observation is considered…

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Q: The five number summary of a dataset was found to be: 45, 53, 58, 67, 70 An observation is…

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Q: Explain how the interquartile range of a data set can be used to identify outliers.

A: Use Of InterQuartile Range in Identifying the outlers.Throught the Interquartile range we can find…

Q: Pick a sample problem where despite correlation, causation cannot be reasonable argument.

A: Let us take an example of sales of umbrella and sales of raincoats. Sale of raincoats Sale of…

Q: Q4. Consider the following data (16, 7, 5, 16, 17, 17, 18, 20, 19, 20, 18, 32, 31, 30), how many…

A: Outliers: Any values in the data set below Q1-1.5×IQR and above Q3+1.5×IQR are considered as…

Q: A pine tree that is 140 feet tall is added to the sample. How will this outlier affect the shape of…

A: When the new data value of 140 feet tall is added, then the new box plot would be positively skewed.…

Q: The five number summary of a dataset was found to be: 2, 3, 11, 16, 17 An observation is considered…

A: The five number of summary of the dataset is given by Minimum = 2, Q1 = 3, median = 11, Q3 = 16, and…

Q: this is one question. the table has already been answered. are there any potential outliers?

A: Yes. There is one potential outlier.

Q: The 5-number summary of scores on a test is 142 148 183 Based on this information, 95 125 There are…

A: Given,minimum value=95Q1=125Q2=142Q3=148maximum value=183

Q: The mode, mean, median are all highly affected by outliers? True or false?

A: The study is about mode, mean and median.

Q: What is a data set outlier? Why is it important to identify outliers in a data set?

A: Outliers can be observed in statistical analysis of data.

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050females, 746…

A: From the provided information,

Q: The five-number summary of a dataset was found to be: 1, 4, 13, 16, 18 An observation is considered…

A: The 1st and 3rd quartile can be calculated as: the Q1 can be calculated as: the Q3 can be…

Q: The five number summary of a dataset was found to be: 46, 48, 54, 61, 70 An observation is…

A: The five-number summary is minimum, first quartile, median, third quartile, and maximum.

Q: The five number summary of a dataset was found to be: 0, 2, 12, 15, 20 An observation is considered…

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Q: What is the outlier? 2, 2, 1,3, 5, 10, 2, 5

A: Lets arrange the data first from small to largest  1, 2, 2, 2, 3, 5, 5, 10  So, as we can see, Q2 is…

Q: The mean is a better measure of location when there are no outliers.  True  False

A: The mean is a better measure of location when there are no outliers.

Q: Having outliers in our data may affect the IQR but the sample range is unchanged

A: IQR is defined as IQR = 3rd Quartile - 1st Quartile And sample range = Maximum - Minimum

Q: The five number summary of a dataset was found to be: 1, 2, 12, 13, 18 An observation is considered…

A: