Calculate the rank correlation coefficient for the following data: 82. 75 25 98 36 78 : 39 65 62 90 : 47 53 58 86 62 68 60 91 51 84 y

Q: ta) Find the mode of the following distribution: 1. 4. 3. 5. 6, 3, 3. 2, 4. 3. 4, 3, 3. 4, 4, 2, 3 (...

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Q: Find the critical value tc for the confidence level c=0.80 and sample size n=29. tc=

A: The sample size n is 29 and the confidence level is 0.80.

Q: Table 2: Significant Relationship between Management Capability and Productivity of Employees Produc...

A: From the given information, Null Hypothesis: H0: There is no significance relationship between  the ...

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Q: Heights of men on a baseball team have a​ bell-shaped distribution with a mean of 180cm and a standa...

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Q: A project yields an average cash flow of 500 lakhs with a standard deviation of 60 lakhs. Calculate ...

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Q: A pair of fair dice is tossed. Events A and B are defined as follows. A: {The sum of the numbers on ...

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Q: Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval...

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Q: Acceptedcharacters:numbers, decimal point markers (period or comma), sign indicators (-),spaces (e.g...

A: In order to obtain the probability within the specified random variable (i.e., the amount a selected...

Q: i.i.d. a) dard error (SE), and mean squared error (MSE) of A. Is consistent? Prove/disprove Let X1,....

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Q: (b) An otherwise fair six-sided die has been tampered with in an attempt to cheat at a dice game. Th...

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Q: A. Direction: In cach of the following examples, identify the sampling method being used. 1. A sampl...

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Q: A radio shop sells, on an verage, 200 radios per day with a standard deviation of 50 radios After an...

A:   We have to develop the null hypothesis and alternative hypothesis, test at alpha=0.05 level of sig...

Q: Kristy has 12 different stones to be strung as necklace. How many ways can she design it if the neck...

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Q: A particular fruit's weights are normally distributed, with a mean of 786 grams and a standard devia...

A: Given: Weight of fruits are normally distributed with  μ=786 gramsσ=17 grams

Q: Michael gets test grades of 73, 76, 82, and 87. He gets a 80 on her final exam. Find the weighted me...

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Q: If x 2y + 3 and y = kx + 6 are the regression lines of x on y and y on x %3D respectively. i) show t...

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Q: The spotted lanternfly, Lycorma delicatula, is an invasive species to the United States that has the...

A: Given that Length of insect: AVG = 1 inch, SD = 0.15 inchNumber of eggs: AVG = 40 eggs, SD = 5 eggsr...

Q: 14. Which of the following can serve as the probability distribution of a ndom variable X? A. P(X) f...

A: we know:-if P(X) is probability distribution of X then (i)  0≤P(X)≤1   for all given X(ii)  ∑for all...

Q: Refer to the given problem in answering numnbers 6-8. 6. The random variable Y representing the numb...

A: We have given that  Probability mass function.  Y 0 1 2 3 4 P(Y) 1/10 3/10 3/10 2/10 1/10 I ...

Q: olve the problem by using Pearson r.

A: Correlation is a quantitative measure of the degree or strength of relationship that may exist betwe...

Q: Q. 1. Plot the regression lines from the following information: Values of x = 1 3 4 5. Values of y =...

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Q: (d) What height corresponds to the 95th percentile in the Galton study?

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Q: The exam has 14 questions, and the total number of marks for the exam is 100. In how many ways can t...

A: Professor assigns 100 points to 14 questions. Minimum points assigned to any question is 3 and the m...

Q: 1. Suppose that two runners from team A and three runners from team B participate in a race. Further...

A: General formula of probability ,  Probability = Number of favorable outcomes Total outcomes    Formu...

Q: Instruction: How will you interpret the data that you have gathered?

A: Let CC be Coca-Cola and P be Pepsi. Given data    

Q: Example 3 : Solve by Laplace transform d³y,d?y dy y dy . -2y = 0, y(0) = 1,y'(0) = y"(0) = 2 - %3D d...

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Q: 6. Which of the following table represents probability distribution? A. P(X) О.11 0.15 0.42 0.44 в. ...

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Q: Calculate the probability of 800 heads in 1600 tosses of a coin. If you cannot solve this exactly, ...

A: Givenn=1600p=12=0.5      ( getting head in one toss)x~Binomial(n=1600,p=0.5)P(X=x)=(nx)×Px×(1-p)n-x ...

Q: From Open Intro Statistics) The National Survey of Family Growth conducted by the Center for Disease...

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Q: A mother of 9 children bought 2 chocolate ice cream cones, 3 strawberry ice cream cones, and 4 vanil...

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Q: Suppose that the average number of Facebook friends that users have is normally distributed with a m...

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Q: A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be s...

A: Given: Blood serum, X 3.11 3.24 3.27

Q: Choose the letter of the best answer. Write the chosen letter on a separate sheet of рaper. 1. What ...

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Q: Find the area between z = -2.86 and z =-1.84

A: The z-scores are -2.86 and -1.84.

Q: A ship carries 4 signal flags of different colors. How many different signals hoisting these flags o...

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Q: The average price of a college math textbook is $178 and the standard deviation is $24. Suppose that...

A: Given that, μ=178σ=24n=6 The distribution of x¯ follows normal distribution. The values of mean and ...

Q: Practice question's part b, (b) An otherwise fair six-sided die has been tampered with in an attempt...

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Q: At a police station in a large city, calls come in at an average rate of four calls per minute. Assu...

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Q: Child heights. Heights of 10 year olds, regardless of gender, closely follow a normal distribution w...

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Q: Question 21: Sara applied for visa to visit four different countries and let X be the number of acce...

A: Given that  Probability mass function of X is  x 0 1 2 3 4 P(x) 0.04 0.21 0.13 a 0.22

Q: 1. Explain why we organize data into a frequency distribution. 2. Differentiate frequency array fro...

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Q: A manufacturing process produces auto tires.  A sample of miles at replacement is recorded below. At...

A: Given: Mileage at Replacement 47391 49450 52700 42709 46753 42082 53801 43975 5...

Q: A retail company has historically sold an average of 32 items per day. A local franchise is testing ...

A: Here is given that, n = 30 t-statistic is 13.69 Hypothesis is one tailed test.

Q: derive/compute the following; show solutions. a. MGF (moment generating factor) of STANDARD Normal D...

A: Given : standard normal distribution f(x)=12πe-12x2   -∞<x<∞

Q: In a family with 2 children, the probability that all the children are girls is approximately 0.25. ...

A: Givenp=0.25sample size(n)=1000x~Binomial(n=1000,p=0.25)P(X=x)=(nx)×px×(1-p)n-x   ; x=0,1,...,n 

Q: To test the intelligence of 10th class boys and girls in a Higher Secondary School, a sample of 83 t...

A: We have given that  Sample size n1=95 , n2=83 Sample mean xbar1 =29.91  xbar2 =40.92 Standard deviat...

Q: Deseasonalise the following data with the help of the seasonal data given below. Seasona! Index Cash...

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Q: Ninety-four percent of Washington community college transfers feel that their community college adeq...

A: Solution: Let X be the number that feel that their community college adequately prepared them to han...

Q: Solve the problem by using Pearson r

A: Given: STUDENT X Y A 5 6 B 7 15 C 9 16 D 10 12 E 11 21 F 12 22 G 15 8 H 17 27 ...