what are the unusual features of the sampling distribution?  a) outliers  b) none  c) skewed  d) influential obser

Q: The five number summary of a dataset was found to be: 1, 5, 12, 15, 19 An observation is considered…

A:

Q: Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the…

A: Given data points57, 58, 60, 63, 63, 58, 59, 62, 62, 63, 61, 59, 58, 54, 77We need to find quartile1…

Q: When comparing the boxplots of two groups which of the following should be done? Select all the…

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Q: The following are body mass index (BMI) scores measured in 8 patients who are free of diabetes and…

A: Hello, since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Determine the value of the upper fence

A: The five number summary is given by Minimum = 0 Q1 = 0.5 Median = 0.95 Q3 = 2.8 Maximum = 7.3

Q: The distribution in this histogram has which of the following characteristics? (Don't worry if you…

A: The histogram gives an idea about the distribution.

Q: When an outlier is present, A. The mean is usually not affected. B. all of these C. The mean does…

A: An outlier is a data point which differs significantly from other data points. The mean is affected…

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: A sample of students from a statistics class were asked for their height in inches.   65, 72, 68,…

A: First, arrange the data in ascending…

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: Which of the following measures of the center is more sensitive to outliers?  (A) Mean (B) Median…

A: Measure of central tendency are used to measure the location value of the data set. There are five…

Q: Consider the following observations: 34, 56, 12, 89, 11, 45, 54, 12, 44, 15, 45, 12, 23, 45, 67, 12,…

A: a) Arrange the observations in an ascending order.Mean=Sum of all observationsNumber of…

Q: For a box plot, here are 4 values at the low end of a dataset and 4 values near the high end of a…

A: Given: Data 2.7 5.5 6 9 … 50.5 54 60 65 Value 5 & 47

Q: 1. What is the sample median home price? 2. What are the first quartile and the third quartile for…

A: Note: Since you have posted the question with multiple subparts, we are answering only first three…

Q: Given the following dataset, calculate the lower cutoff for outliers. A: 110, 210, 389, 465, 890,…

A: Given data is110, 210, 389, 465, 890, 1000, 1101, 1238Arrange the data in ascending…

Q: The five-number summary of the passengers on a cruise ship is listed below. Min Q1 Median Q3 Max 1…

A: min = 1max = 80Q1 = 20Q2 = 29Q3 = 38Want to determine if there are any outlier.

Q: A technology committee wants to perform a test to see if the mean amount of time students are…

A: Here we have to compute the Test statistic Wr have given the following data X :…

Q: 3. The Final-term grades on a Math 223 exam, graded on a scale of 0 to 100, were: 62, 64, 65, 65,…

A: The given grade scores are:

Q: Histograms are primarily used to examine normality of distribution shape of each group, whereas…

A: Answer:-  It is true that, histograms are primarily used to examine normality of distribution shape…

Q: Which list of measures of central tendency represents the ranking from most to least affected by…

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Q: Which measure of central tendency would be preferred for each of the following variables (from the…

A: Central tendency have mean , median and mode. mean = It is the average value of the data set. median…

Q: Removing a positive outlier from a dataset would do all but the following?   a. Reduce the…

A: The objective of the question is to understand the impact of removing a positive outlier from a…

Q: For a box plot, here are 4 values at the low end of a dataset and 4 values at the high end of a set…

A: Whiskers represents the minimum and maximum value of the data set and are drawn from first and third…

Q: is an outlier?

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

Q: Based on these data, is it better to describe the centers of distribution in terms of the mean or…

A: Based on these data, is it better to describe the centers of distribution in terms of the mean or…

Q: Regarding outliers: a. What is an outlier? b. Explain how you can identify potential outliers, using…

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Q: are 10 students’ scores on an exam: 75, 75, 65, 78, 65, 80, 90, 77, 10, 82 (a) Compute the mean,…

A: The formula for the mean is, Find the sum of the data values and divide by the total as follows:…

Q: Which measure of central tendency is most affected by outliers? A) Mean B) Median C) Mode D) Range

A: The measure of central tendency most affected by outliers is: (A) Mean Explanation:(A) Mean: The…

Q: The boxplot shows a data sample of the differences in the weight (g) of bee venom that was collected…

A: It is required to determine the centre, spread, and shape of the dataset using the given boxplot,…

Q: A survey records the heights of a representative sample of youths aged 14 to 20. The accompanying…

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Q: 2) The scores for Mr. Brown's and Ms. Green's classes are given below. Make a box-and- whisker plot…

A: Using Excel, we can find the Box and Whisker plot. Enter the data and select it. Go to…

Q: Given the following dataset, calculate the upper cutoff for outliers. A: 110, 210, 389, 465, 890,…

A: The given data is already arranged in ascendingorder.110, 210, 389, 465, 890, 1000, 1101,…

Q: The World Almanac and Book of Facts 2004 reported the percent of people not covered by health…

A: Solution

Q: Fifteen students are asked to pick a number between 1 and 22. The numbers were recorded and…

A: Given Fifteen students are asked to pick a number between 1 and 22.

Q: The population median is  a. All of the above b. None of the above  c. A measure that is easily…

A: Median: The median is the value of the middlemost observation in the data set when the observation…

Q: The heights (in cm) of students in a class are: {156, 152, 148, 159, 150} a) Determine the mean…

A: The following information has been provided: 156, 152, 148, 159, 150 The number of observations are…