Skewed shape graph mean is measured of central tendency because of outliners and data skewed True or false

Q: graph has been divided into parts for visibility. mean= 2.57 median=? Grade-point averages. Find the…

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Q: Qualitative data that cannot be ranked is called categorical, nominal 1. True 2. False

A: Given that, Qualitative data that cannot be ranked is called categorical, nominal.

Q: which measure of central tendency mean or median best describe the center of the distribution and…

A: Given query is to find the measure which is best to describe center of the distribution.

Q: if your goal is to easily display distributional characterics of a variable which graph is the worst…

A: Introduction: Three types of graphical displays are mentioned here- violin plot, histogram, and bar…

Q: How do you know Which measure of tendency is nominal ordinal or interval?

A: The measures of tendency are mean, median and mode. Mean is the average value of a data set. Median…

Q: Create Distribution Curve (tell if data is skewed or normally dist.)

A: Skewness explains the spread of the data. There is two type of skewness, they are right and left…

Q: The 20th percentile is the same as the 30th Range is the least reliable measures of variability. The…

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Q: Skewness refers to the________ The shape of the top of the curve The extent to which data are not…

A: Skewness: lack of symmetry. Skewness refers to the extent to which data are not symmetrical about…

Q: You are interested in whether level of education influences a person's exposure to the media. You…

A: Introduction: It is required to find the mean, median, mode for the independent variable.

Q: The measure of central tendency that is the data item in the middle of ranked, or ordered, data is…

A: The median is defined as the value such that half of the given values are smaller than or equal to…

Q: The mean is cosidered to be the "balance point" for a distribution becuase exactly half of the…

A: The mean is considered to be the "balance point" for a distribution because exactly half of the…

Q: Explain why we use point estimates and how the standard error of the mean margin of error are used…

A: We have to answer question on estimation

Q: Explain the empirical relationship between mean ,median and mode for the data from field of physics.…

A: For a moderately skewed distribution there exists a relation between the mean, median and mode which…

Q: If the quantile-quantile plot of your data versus a normal curve is linear, the data is likely…

A: If all the observations in the quantile plot are very close to the straight line, then it can be…

Q: If you chose to compute a mean for a variable, which measure of variability would you most likely…

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Q: How are the moving averages calculated?

A: A moving average is a technique to get an overall idea of the trends in a data set; it is an average…

Q: Discuss the similarities and differences between a histogram and a relative frequency histogram as a…

A: In histogram , we plot class level against frequency of the distribution whereas in relative…

Q: What is a frequency distribution? Explain how these differ if we are using qualitative data versus…

A: Frequency distribution- Frequency distributions are visual displays that organise and present…

Q: What are the three value to indicate variability of a data set How do you determine whether it is…

A: Variability :  It refers to the difference being shown by the data points within a data set, as…

Q: b) An outlier usually affects the median more than the mean 1. True 2. False

A: The mean is the average of the data set.   Whereas, median is the middle value of the set of…

Q: Describe about the Error Variability?

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

Q: The most commonly used measure of central tendency

A: here use basic of central tendency

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: 1. Describing the Center and Variation of Data Work with a partner. The graphs show the weights of…

A: 1)  a)  Weights of players on a Football Team The centre of the data lies approximately 250 pounds.…

Q: The revenue (in millions of dollars) for a company from 2007 to 2016 is given in the following…

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Q: A newspaper collected information on schools in its circulation area in order to compare their…

A: Introduction: A scatterplot is considered, with the mean class size or mean number of students along…

Q: how do I describe the "measures of center and variability" of a chart?

A: The commonly used measures of center tendency are, Mean Median Mode In charts like histogram, the…

Q: How to estimate distribution

A: Steps to estimate a distribution1) Split the sample space into bins2) Count the no of samples that…

Q: Sample mean is more sensitive to outliers in the data compared with the median True False

A: In question, We'll check that given statement is true or false. The explanation is below,

Q: For a set of data if the mode < median<mean then the histogram for this data is right skewed. true…

A: A histogram is said to be skewed to the right if its most of data falls on the right side of the…

Q: Regression and correlation are used for estimation. Select one: True False

A: The most commonly used estimation techniques for investigating the relationship between two…

Q: What does it mean when a score is in the tail of a distribution?

A: The distribution in statistics or probability is the shape in which the data behaves when plotted.…

Q: Mean, median and mode are descriptive statistics that we often use when answering scientific…

A: Mean (Arithmetic) The mean (or average) is the most popular and well-known measure of central…

Q: Explain the application of normal curve in social science.

A: The normal distribution is the single most important distribution in the social sciences. It is…

Q: True or False: If you are asked to describe the type of data represented by distances from gas…

A: Given that  The type of data represented by distances from gas stations to your home

Q: Describe why a. data description using graphical methods sometimes is not sufficient b. measures of…

A: Here we have to describe,  a. Why the graphical methods sometimes is not sufficient? b. Why measures…

Q: You can assess normality of data using

A: