have a dataset with 20 numbers in it. It has a variance of 16, a mean of 10, and a median of 12. What is the measure of skewness?

Q: The dependent variable is used to predict the independent variable.    Is this True or False

A: The variables are the factors that are not constant and fixed, but changes its value. There could be…

Q: Given a sample with a mean of 57 and a standard deviation of 14, find x such that Pr(X > x) = 0.715.…

A: Sample means various elements selected from the population.

Q: For a population with a mean = 440 and a standard deviation = 110, what is the X value corresponding…

A:

Q: A newspaper company classifies its customers by gender and location of residence. The research…

A: Probability = Favourable Outcome/ Total Number of Outcome   Total number of observations = 17561756…

Q: Which of the following is not a measure of the variability of data? range standard deviation…

A:

Q: 7 6. 3. 7 6. 9. Find the average (mean): Find the median:

A: The data set is: 5 7 6 3 7 1 7 6 1 9

Q: No chatgpt used i will give 5 upvotes typing please

A: Given:mean square within MSW=36.87 To find the within-group sum of squares SSW, we need to compute…

Q: he variance of the OLS estimator Select one: a. increases as the number of observations increases…

A: Assume we have the linear regression model with 1 explanatory variable:  Y = β0 + β1X + μY :…

Q: Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation of…

A: The objective of the question is to find the minimum ACT Reading score required for a student to be…

Q: Consider a sample with data values of 26, 24, 23, 15, 32, 36, 28, and 24. Compute the range,…

A: The range is the difference between the highest and lowest values. As the highest value rises then…

Q: Below is a table showing the ages of current active users of TikTok. Use the table to approximate…

A: The average degree of variability in your dataset is represented by the standard deviation. It…

Q: Using the properties of variance, what is the variance of Y=4X−5 where Var(X)=1?

A: Given information: X is a random variable, and the variance of X is 1 i.e., Var(X) = 1 We need to…

Q: A NUMMI assembly line, which has been operating since 1984, builds 900 cars and trucks in a week.…

A: The event of having defective cars follows a binomial distribution. This is because there are a…

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A: The concept of portfolio risk and return is crucial to the modern finance and asset management…

Q: one standard deviation

A: Members surveyed= n=5  study hour of member1 =12 hours, member2=18 hours, member3= 7 hours,…

Q: aiting times (in minutes) of customers in a bank where all customers enter a single waiting line and…

A: Mean is found out by dividing the sum of all observations by the number of observations.

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A: The objective of the question is to find the numerical limits for a B grade in a test. The grading…

Q: Please no written by hand and no emage A way to measure uncertainty of outcome is (choose only one…

A: Let we show that given option betting market priceBetting market prices reflect the odds and…

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A: Given: Population mean height of adult males μ=68 Population standard deviation σ=2.5 X = height of…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

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A: Relative frequency is the ratio of subgroup frequency and Total frequency.

Q: Suppose x~n(8,9). What value of x is 0.67 standard deviations to the left of the mean?

A: Introduction The standard deviation is a measurement of how much a set of data values deviate from…

Q: A soft drink machine outputs a mean of 27 ounces per cup. The machine's output is normally…

A: To solve this problem, we need to find the probability of filling a cup with a volume between 21 and…

Q: An estimator () is said to be a consistent estimator if the bias of (✔) goes to zero as the sample…

A: Step 1:Step 2:Hence bias and variance tends to zero when sample size is largeStep 3:Hence answer is…

Q: have a distribution with mean zero and variance of 9.  I sample 4 people from the population.  What…

A:

Q: There is a normal distribution with mean 10 and standard deviation of 8.  What is the z-score of an…

A: Mean is the sum of the given terms divided by the number of terms.

Q: ii) Suppose that you find out that you have an OLS estimator which is unbiased but has a non-minimum…

A: OLS stands for "Ordinary Least Squares," and the OLS estimator is a method used in statistics and…