What is the median of this distribution?

Q: What is a frequency distribution of qualitative data and why is it useful?

A: Frequency distribution: Sometimes an event will be occurred two or more times, the number of…

Q: The mean can be thought of as the balancing point of a distribution. According to this description,…

A: Mean          A mean is the simple mathematical average of a set of two or more numbers. The mean…

Q: Where are most of the data gathered in a negatively skewed distribution? Which value is larger, the…

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Q: Explain Bionomial distribution with examples?

A: X~Binom(n , p) =========== Formula : P(X =x) = nxpx(1-p)n-x ; x= 0,1,2,..,n

Q: Explain frequency distribution?

A: Frequency distribution Frequency distribution is the table which shows the list of numbers given in…

Q: Explain the the Chi-Squared Distribution?

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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: The Empirical Rule states that a symmetrical distribution will have what percentage of observations…

A: The Empirical Rule states that 99.7 percentage of data observed following a distribution  lien…

Q: The mean of a distribution is 23, the median is 24 and the mode is 25.5. It is most likely that this…

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Q: For a severely skewed distribution, the mean often provides a better measure of central tendency…

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Q: What is the value of the standard score for the mean of a distribution

A: The standard score is the same as the Z-value. This is the distance of any data value, measured in…

Q: What is Frequency Distribution for Ungrouped Data?

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Q: Define the term Mean & median? Illustrate their symbols?

A: Mean Mean is the most widely used measure of Central Tendency that is used in Statistical analyses.…

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: what is its distribution, its mean and its variance?

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Q: Illustrate the mean or expected value, variance and standard deviation

A: given: x f xf (x- x )2 f*(x- x )2 4 1 4 25 25 5 2 10 16 32 8 2 16 1 2 10 2 20 1 2 13 2…

Q: What type of graphs are suitable for displaying the mean, median, variance and standard deviation

A: Graphical displays complement tabular presentations of descriptive statistics. Generally, graphs are…

Q: Precisely discuss what is meant by “the median is a positional Measure”…

A: We want to tell you median is the positional value

Q: What is the mean for the z score distribution?

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Q: What is Frequency Distribution?

A: Sometimes,tabular representation of a data set is very useful in viewing the characteristics of the…

Q: What is the mean, variance and Standard Deviation?

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Q: Name the 4 circumstances where the median would provide a better measure of central tendency than…

A: Central tendency: The value that is used for describing the full data set using the central position…

Q: If the mean is lower than the median. Describe the distribution.

A: Mean is the average of the set of observations and median is middle most value of the observations.

Q: How is a normal probability plot used to detect outliers?

A: An outlier is an observation that appears to deviate markedly from other observations in the sample.

Q: What is the difference between a normal and binomial distribution?

A: Statistics uses normal distributions more often than binomial distributions most of the time.…

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: Explain how you would determine the probability of belonging to the top 5% of a  class. Illustrate…

A: Normal distribution: A continuous random variable X is said to follow normal distribution if the…

Q: A distribution has a mean of 75 and a median of 70. This distribution is probably positively skewed

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

A: Consider the given statement, "If there are outliers, then the mean will be greater than the…

Q: The sampling distribution of the mean will have the same mean as the original population from which…

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Q: Explain how a “distribution of means” is created and when it is appropriate as the “comparison…

A: When you draw infinite random samples of a given size from a population with replacement, the means…

Q: 3)Which measure of central tendency is the most affected by extremely high or extremely low scores…

A: There are three types of measure of central tendencies. Mean: The mean is the sum of observations…

Q: Is this a binomial distribution? Explain.

A: Here use basic rule of binomial

Q: Why does the mean inaccurately summarize a skewed distribution?

A: If the distribution is symmetric then mean is accurately summarized the data because it is exactly…

Q: (a) Among the next 210 customers, what are the mean and variance of the number who pay with a debit…

A: Consider the events A, B and C that represents the customers who pay with a credit card, debit card,…

Q: A population has a mean of 45 If 6 points are added to each score What is the mean for the…

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Q: i. Find the mean and the median compensation of the executives. ii. Comment on the skewness of the…

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Q: Give an example of a distribution that might be  non-normal.

A: Any skewed distribution would be the example of non-normal distribution, for example chi-square, or…

Q: What is the largest value in the dataset? What the is median of the data displayed? What is the mode…

A: From stem and leaf plot, the largest value in the dataset is 7.5.

Q: Define frequency distribution?

A: Frequency distribution, in statistics, a graph or data set organized to show the frequency of…

Q: what is the distribution of the coefficient of variation?

A: A coefficient of variance is used to determine the precision of an estimated value. It is primarily…

Q: The ratio of the mode of this distribution to the median is:

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Q: How does a binomial distribution differ from a distribution of a population or a distribution of a…

A: Binomial distribution is the distribution of the total number of success favouring any event.It is…

Q: What is the Positively Skewed Distribution?

A: Skewed distribution is basically the one where the population data is not normally distributed. It…

Q: How is a frequency distribution chart incorrectly constructed?

A: Here let us understand how do we construct a freuency distribution and then we look into rules of…

Q: Where are most of the data gathered in a negatively skewed distribution? Which value is largerthe…

A: We have to describe the negatively skewed  distribution and locate the position of mean relative…

Q: Can the measure of central tendency tell  a researcher how spread out the scores are in a…

A: Introduction:A measure of central tendency helps to identify the location of a dataset, whereas a…

Q: The variablilty of statistics is described by

A: Variance describe the  variability in the data set.

Q: Explain in brief about Weibull distribution.

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Q: If the mean time to respond to a stimulus is much higher than the median time to respond, what can…

A: There can be three different shape of the distribution: 1) Positively skewed: Most of the values…