Xi fi 3 لا 8 5 11 9 the variance for the following data 17 5 20 14 24 3 32 1 Find

Q: Find the variance for this data set of salaries 30, 34, 52, 48, 25, 36, 27 Round the…

A: The mean of the sample data can be obtained as:

Q: 3 1 TABLE 2: San Pedro Participant 2 72 Height (inches) Weight (pounds) 66 240 190 61 250 120 4 44 5…

A: ParticipantHeight(inches)Weight(pounds)166240272190361250444120565222

Q: If the coefficient of variation of the data = 40 % , the variance = 100 , then the mean of these…

A: We have given that,  Variance (s^2) = 100 Standard deviation (s) = sqrt(variance)…

Q: Situation The sum of the product of the individual frequency and difference of the datum and mean is…

A:

Q: b) The following table shows the time students from a college took to complete a marathon. Time…

A:

Q: A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5.…

A:

Q: Find the variance of the number of storms in August.

A: X: Number of thunderstorms in August.

Q: 7. If the original data are measured in pounds, the variance is (a) also measured in pounds. (b)…

A: Variance: Variance is the mean of the squares of deviations from the mean. Variance is the square of…

Q: Find median of data Class       5-9,10-14,15-19,20-24,25-29 Frequncy   4         6        8…

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Q: 5, 6, 6, 6, 7, 8, 9, 10, 11, 14 find the 1QR of the above data set?

A: Arrange the given dataset in an ascending order. Then,Q1=N4th observation=104th observation=2.5th…

Q: the variance of a data set is 144 and mean is 72 then coefficient of variance is

A: Given,variance(σ2)=144mean(x¯)=72

Q: A report from the National Center for Health Statistics for 2010 showed that 20% of the adult…

A: The objective of this question is to find the average number of adult smokers in a sample of 25…

Q: 6.34 As in Exercises 6.6, 6.10, and 6.20, in a study of the particulate pollution in air samples…

A: Given that, the joint pdf of X and Y is,  f(x,y)= 1  ; 0<=x<=2 ; 0<=y<=1  ; 2y<=x…

Q: Toss-reference Reuse Files Add-ins Media Links Co 1. Consider the following data: 13, 6, 10, 5, 3,…

A: according to our guidelines we can answer only three subparts, or first question and rest can be…

Q: What is the variance using this equation, with the following data: 76, 88, 67, 80, 44, 65, 50, 98,…

A: Sol: Given data, 76, 88, 67, 80, 44, 65, 50, 98, 55, 45, 23, 44, 65, 78, 66, 56, 89, 76, 87, 29

Q: Compute the population variance of the data: 16,18,23,21,17,16,24,23,9,17,11,16,22,10,15,14. A.…

A: σ2= ∑(xi-x¯)2n

Q: Table below show the weight of 80 winter melon harvested from a farm called Fruitful. Weight (kg)…

A: A frequency distribution table represents the frequency distribution of a variable. Here, the…

Q: Find the mean and variance for the given data, 12,3,5,11,8

A: From the provided information, The data values are as follow: 12, 3, 5, 11, 8 Sample size (n) = 5

Q: What is the variance of the data set 14,23,9,12,21,18,8

A:

Q: 3. The following data are based on information from the book Life in America's Small Cities (by G.S.…

A:

Q: The cost of a week long vacation in a city has a mean of 1000 and a variance of 1200. The city…

A: Solution:  Given information: μ= 1000  Population mean σ2= 1200  Population varaince tax = 10%

Q: What is the variance of the data set 14,23,9,12,18,8

A: Given Data :  XX 14 23 9 12 18 8 Below table will be used to calculate variance :…

Q: Suppose for 40 observations the variance is 50. If all the observations are increased by 20, the…

A: given If the values of all 40 observations are increased by 20 the mean increases by 20 as well,the…

Q: Given the data: 1, 4, 3, 5, 4, Its Variance value is 2 3 4

A: by using given data(x);  1,4,3,5,4 x x2 1 1 4 16 3 9 5 25 4 16 ∑x=17 ∑x2=67

Q: Stock Prices A random sample of stock prices per share (in dollars) is shown. Find the 80%…

A: 7.50,75.37,12.00,28.37,13.88,26.69,14.75,46.12,10.87,40.25,60.50,28.00,28.25,6.94,45.12sample…

Q: Find the mode of the given data 1,8,6,4,9,6,4,5,6,5,4,6,6

A: Answer: Given data is, 1,8,6,4,9,6,4,5,6,5,4,6,6 Number of data values (n) = 13

Q: A regional manager wants to know if there is a difference between the mean amounts of time that…

A: Solution: Given information: k=3 groups  Each group has 7 observation

Q: Question 1 of 4 Assume that we have 6 manifest variables and 3 factors. The communality of F3 on…

A: 1) In factor analysis, communality represents the proportion of variance in an observed (manifest)…

Q: find the variance for the given data 7 7 2 5 1

A: The mean of the data can be calculated as:

Q: * 2.4.5.6-8-17 11 17 20 24 32 Xị 3 5 9 3 fi 1. 4) 5n 00

A: As per our guidelines we are suppose to answer only one question1)Given data set is…

Q: Part 1. .If b = 0.523, then for every 1 unit increase in the independent variable, there is a 0.523…

A: We want to tell you above statement is true or false

Q: 6769 Find & Variance h Mode class and Mode c. Median Class and Median d. IOR CLASS FREQUENCY 0-2 5…

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Q: Find the variance for the given data, 15,3,6,18,17

A: Answer: From the given data, 15,3,6,18,17 Sample size(n) = 5

Q: Q.1 Suppose samples are taken from a population of heifers with known mean and variance of weight…

A: