For the data in the following table, what is the value of ΣX? X f 4 1 3 2 2 4 1 2 10 15     20 cannot be determined from the table

Q: . Find the value of mode from the following data: 50-59 20-29 30-39 40-49 60-69 70-79 80-89 X: 0-9…

A:

Q: The scatter plot shows the number of hours worked and money spent on entertainment by each of 24…

A: Given : We have the scatter plot for the number of hours worked and money spent on entertainment by…

Q: We have data which gives the speed of a vehicle at the time of accident for accidents that happened…

A: From the given information, Consider, there are four random variables that is, X1,X2,X3, and X4 The…

Q: Q3: The following data represent the production of orange harvest from 20 farms in a one province.…

A: Farmula used  Range=maximum - minimum

Q: What is the value of SP for the following set of data? X         Y 5          6 8          9 4…

A: For random variables X and Y the value of SP is, SP = Σ (x – x̅)(y – ȳ), where x̅ is the mean of X…

Q: physician wishes to know whether there is a relationship between a father’s weight (in pounds) and…

A: Given A data table is given.we need to answer the following questions. Please find the below…

Q: These are the same data as in the previous question. Find the value of b2. You should use a computer…

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Q: x 1 2 3 4 5 y 14 18.9 14.4 19.6 20   ∑ x = 15 ; ∑ y = 86.9 ; ∑ x 2 = 55 ; ∑ y 2 = 1544.73 ; ∑ x…

A: The provided data is,

Q: Answer #28 - #34 using this data set: f 7 1 6 4 5 3 4 1 3 1 2 1 3 31. What is the mean of X? (SHOW…

A: Given below

Q: 25: From the table below, 38 44 50 50 50 53 55 59 60 64 73 74 77 70 58 77 87 82 75 60 72 92 104 126…

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Q: Evaluate f(15) and f(35), given the following data. 10 20 30 40 50 y 46 66 81 93 101

A: The given problem is to find the functional values at given points f(15) and f(35) from the given…

Q: Consider the data set shown. If the mean X value is 6 and the mean Y value is 5, complete the first…

A:

Q: XF[80, 70, 80, 78, 81, 75, 77, 74, 77, 68] Ex, = 760 ; Ex = 57.928

A: Given, Xi = [80, 70, 80, 78, 81, 75, 77, 74, 77, 68] ∑Xi = 760∑Xi2 = 57.928 N = 10       To find,…

Q: Q. 16. From the following data, find Q,, Q, D,, P 97 Marks : 14 21 23 28 30 34 39 42 No. of students…

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Q: (c)Estimate Pearson’s First Coefficient of skewness for the given the Data:         91  62  54  72…

A: Pearson’s First Coefficient of skewness formula SKp = (Mean - Mode) /SD

Q: (a) What is Mode. Give its mathematical expression.        (b) Find Mode of the following data.…

A:

Q: For the data: 6 4 2 9 1 9 1 Data 11 which is the correct box and whisker? 5.5 9. 10 11 4.5 12 3 6.…

A: Data set: 5, 6, 4, 2, 3, 11, 9, 1, 9, 1

Q: Suppose you are given the following x and y values. Assume x is the independent variable and y the…

A: The coefficient of determination is denoted by " r2" . The r2 value always between the 0 and 1.  As,…

Q: 4. The data below represent the number of fatal commercial airline incidents in the United States…

A: Mode: Mode may be defined as the maximum frequency of the observation. Note: According to Bartleby…

Q: A C D E F G H K M 1 Heights Weights 2 72 180 3 74 168 The following table shows the heights (in…

A: Coefficient of Variation: For a set of n observations x1, x2, ... , xn. the coefficient of variance,…

Q: For the following data (6, 6, 2, 2, 4, 4, 8, 2) , the mode equal 6 and 2 O 6 and 4 O 6 and 4 and 2 O…

A:

Q: A study was conducted to identify the relationship between X and Y among employees in a…

A: Solution-: Let, X=Training and Y=Performance We have following table: Participants X Y A 9 86…

Q: Calculate the coefficient of determination, r2r2. Round your answer to three decimal places.

A: First we insert the given dataset in R studio as,

Q: Determine whether r is positive, negative, or zero for each of the following data sets. Q Ⓡ ∞∞o (a)…

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Q: Match these values of r with the accompanying scatterplots: 0.326, 1, -0.707, -1, and -0.326. Click…

A: given r=0.326, 1, -0.707, -1, -0.326

Q: The following data gives the number of hours 77 students spent studying and their corresponding…

A: Calculate Correlation Coefficient r without cov(x,y) from the following data X Y .5 60 2 66…

Q: Consider the following data: 2,3, 4, 5, 6 P(X-x) 0.1, 0.3, 0.3, 0.1, 0.2 Find the value of P(X>4)

A: Answer: From the given data,   X      2     3     4    5    6 P(X)   0.1  0.3  0.3  0.1  0.2

Q: The following Tables give some values of X and Y variables. Interpolate the value of Y when X 45. 10…

A: Solution is given:

Q: Find the following for the data set {2, 4, 6, 8, 10} Σχ 2. Σχ 3. Σ(x - 2

A: First, we need to square each value in the data set and then sum them up. The formula for the sum of…

Q: The following data gives the number of hours 7 students spent studying and their corresponding…

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Q: 4 2. 4. 2. 3. 3. 2.

A: The data is shown below x y 2 5 3 2 3 4 2 4 2 3 4 1 3 4 2 2

Q: For the data in the following table, what is the value of EX? 1 2 2 4 2 4 1

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Q: - "fie7. Calculate the coefficient of skewness fro.he following data: 50-60 Marks 10-20 20-30 30-40…

A: Solution-: We prepare the following table: From this table we get,  We first find, and Mode then

Q: The British Department of Transportation studied to see if people avoid driving on Friday the 13th.…

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Q: Calculate the coefficient of skewness from the data as follows. Hours     No. of Tubes

A: