What would an outlier look like on box plot

Q: What is the interquartile range of the data in the box plot

A: From the given plot, it is observed that the upper quartile is 95 and lower quartile is 72.

Q: What is the interpretation of the coefficient on the time period dummy variable in a panel model…

A: A dummy independent variable which for some observation has a value of 0 will cause that variable's…

Q: What is the Vertical Line Test, and what is it used for?

A: Vertical line test: If we draw vertical lines through a graph of a function. And it cuts the graph…

Q: Which measure of central tendency should be used if the data are not skewed, does not contain any…

A: Which measure of central tendency should be used if the data are not skewed, does not contain any…

Q: Describe about the mean absolute deviation.

A:

Q: How do I determine the length of error bars for the average bounce height of a ping pong ball?

A: Introduction: Error bars are visual representations of the distribution of a statistic of interest,…

Q: For 60 randomly selected college students, exam score frequency distribution was obtained. Find the…

A: Given: class limit frequency 5-10 6 10-15 12 15-20 18 20-25 15 25-30 9

Q: What information is provided by the sign (+/–) of a z-score? What information is provided by the…

A: Let, the dataset scores have a mean µ and standard deviation σ. Then the z score of a given score ,…

Q: When do we use frequency distribution?

A: We need to use the concept of frequency distribution to answer question.

Q: Suppose you are analyzing data collected on health care costs in the year 2018 for a sample of 150…

A: The distribution of the sample cost values is right skewed as the histogram of 150 cost values is…

Q: What is z Score?

A: A z-score is a score which is computed to find out the number of standard deviations a value is away…

Q: If the industry has an average cash deposit of 2100, which bank is performing better? Which bank is…

A: For the provided data, the appropriate visual representation is the Line Graph. The distribution of…

Q: What is the standard deviation (spread from mean) of the dot plot?

A: Introduction: Taking the mean of the data points, removing the mean from each data point separately,…

Q: What is the IQR (Q3 - Q1) of the box and whisker plot?

A: Denoting the Interquartile Range(IQR) from the diagram is below:

Q: Explain about Partial Squared Curvilinear Correlation.

A:

Q: What is the decision rule for the t-test that the mean child mortality rate for countries in Eastern…

A: It is tested that the mean child mortality rate for countries in Eastern Europe is more than the…

Q: Do the data support the hypothesis that height is hereditary? Explain. explanation with statistical…

A: Father (X) Son (Y) (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 71 71 3.4 11.56 5.1…

Q: What is A Basic Deficiency for point estimate?

A: Point estimate: Point estimate is the singles value for the population parameter, which is obtained…

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: How do you compute the range, interquartile range and standard deviation

A: formula's of Range , Interquartile range and standard deviation.

Q: Define P-value?

A:

Q: A police officer waits on a road to catch speeding cars. In a one hour sample, the officer find that…

A:

Q: Define estimator ?

A: Estimator: Estimator is a statistic that estimates some facts of population. Estimator is a function…

Q: Describe about the Error Variability?

A: The element of variability is produced by factors, such as measurement imprecision, and is not…

Q: What is the use of power curve?

A: The power curve is represented by 1-β where β stands to be the probability of committing type II…

Q: Describe about Partial Squared Curvilinear Correlation?

A: Partial Correlation: A partial correlation measures the relationship between two variables while…

Q: Suppose your statistics instructor reports test grades as z-scores, and you got a score of on an…

A: The Z score is given by, Z=X-μσ,where μ=population mean            σ= population standard deviation

Q: what does it mean if P-Value is extremely low?

A: The p-value or the calculated probability can be defined as the probability of finding the observed…

Q: What is the standard error of the point estimate vou calculated for the previous question?

A: We have given that  Sample size n= 1000 Favorable cases x= 89 Sample proportion p^=x/n = 89/1000 =…

Q: Is this histogram still skewed to the left even if there's a gap between the graph? Is there any…

A: On observing the graph we can see that the higher values have higher frequency. Even though there is…

Q: Define Bivariate Analysis?

A: Most of the time, the data in statistics is in the form of bi-variate data.

Q: The z-score has no units even though the original values will normally be expressed in units such as…

A: Definitions: Z-score: A Z-score is a numerical measurement that describes a value's relationship to…

Q: The range, like the mean has the disadvantage of being influenced by outliers True False O

A: Solution-: The range, like the mean has the disadvantage of being influenced by outliers. (a) True…

Q: Describe about dealing with outliers in relation to correlation?

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: Outliers are extremely small or large data values that require special consideration. True or False?

A: Answer: True

Q: Describe the range of vakues for the correlation coefficient.

A: Solution-: We describe the range of values for the correlation coefficient.

Q: How to Make judgments about the size of the standard error of the estimate from a scatter plot?

A: Standard error: An estimate of the standard deviation of a statistic, based on sample data, is…

Q: a residual is the distance between the data value in the line of best fit true or false?

A: a residual is the distance between the data value in the line of best fit -True

Q: (d) Use inverse interpolation with cubic interpolation and bisection. Compute the true percent…

A: Part(d): Given, fx=x21+x2fx=0.85 Solving the above by cubic spline we will get,…

Q: Why might the range not be the best estimate of variablitiy?

A: Range is the difference between the largest and smallest value in a data set, so if there is an…

Q: Use Table VII to find the required χ2-values. Illustrate your work graphically. Give two situations…

A:

Q: An outlier

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

Q: Suppose that a broad cross section of high school students took a very challenging scholarship exam…

A: The histogram is a plot which is used to depict the distribution of data with frequency on vertical…

Q: The scatter plot is used to examine the relationships between different functions in the statistical…

A: Solution: Scatter plot: Scatter plot is a graphical technique or method of identifying the linear…

Q: How to determine Estimate the P-value.

A: Introduction:P-value: The P-value is the probability of obtaining a test statistic value as extreme…

Q: what is interval data?

A: Interval data: When the data are numerical values that can be added or subtracted, but not divided…

Q: Define z-score

A: It is asked to define the z-score.

Q: An excess of high values for the cases distributed on a graph results in a positive skew in the…

A: Skewness :  It is a measure of the symmetry of a distribution. The highest point of a distribution…