Example 62. The following table gives the weight (in Kg) of 60 students. Find.the value of Mode graphically : Weight (in Kg.) No. of Students 29.5-34.5 3 34.5–39.5 5 39.5–44.5 12 44.5-49.5 18 49.5-54.5 14 54.5-59.5 59.5-64.5 2

Q: Let X1, X2, .., X be a random sample from a distribution with mean u and variance o2.Consider the ra...

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Q: Need an example of multiple linear regression

A: Multiple linear regression is where more than one independent value, meaning that we try to predict ...

Q: Assuming the outcomes to be equally likely, find the probability that exactly one of the four answer...

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Q: Refer to the data set 3.94, 1.47, 2.06, 2.36, 3.74, 3.43, 3.78. Find the 2nd decile. B. 2.06 C. 2....

A: Arrange the given data in ascending order1.47 , 2.06 , 2.36, 3.43 , 3.74 , 3.78 , 3.94sample size (n...

Q: 11. Let X and Y have the joint density 1 -e-(x+y)/0 for 0 < x < y < o and zero elsewhere 02 Find a s...

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Q: A manufacturing machine has a 2% defect rate. If 9 items are chosen at random, what is the probabili...

A: Binomial distribution is given by

Q: Problem #3 ( Given a population of 2000 normally distributed scores with mean u = 74 and meanu=74 a ...

A: Given data,Mean μ=74sd    σ=6N=2000

Q: In a survey, 28 people were asked how much they spent on their child's last birthday gift. The resul...

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Q: A population has mean u=23 and standard deviation o=7. Round the answers to two decimal places as ne...

A: In the given problem, mean (µ) = 23 and standard deviation (σ) = 7.

Q: Match the correct critical values for the t, and chi-square and tolerance interval factor v X2 0.025...

A: (i) Chi-sqare at 0.025 and 7 degrees of freedom is     X2= 16.013 Option (B)  (ii). Chi-sqare at 8-1...

Q: () I Example 69. The geometric mean of 10 observations of a certain variable was calculated as 16.2....

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Q: Sammy's Salsa, a small local company, produces 20 cases of salsa a day. Each case contains 12 jars a...

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Q: 13. From an experiment, we get the following values of a function O(x). 1 2 -4 f(x) 3 -5 4 Represent...

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Q: d) Find the standard deviation of the population o. e) Find mean of the sampling distribution of the...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only 3 ...

Q: If the sample size is large, the normal distribution could be used for the interval estimate of the ...

A: Here given,  sample size is large 

Q: The time to repair of an equipment follows a lognormal distribution with a MTTR of 2 hours and a sha...

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Q: What is the expected value of the number of points you get? Round the answer to two decimal places.

A: There are 3 choices for questioneach right question gain 1 point and each wrong question lose 12 poi...

Q: 6.5. A hospital emergency department is monitoring the time required to admit a patient using x and ...

A: From the given data : x= 151.4 ∑R = 63k = 20n = 2 x¯ = ∑xk   = 151.420 = 7.57R = ∑Rk   = 6320 = 3.15

Q: You run a PPM correlation on sprint speed and vertical jump height in NFL running backs and find an ...

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Q: A random sample of 300 individuals working In a large city Indicated that 72 are dissatisfied with t...

A: Given that : Sample size (n) = 300  X = 72 P = x / n  By using the proportion confidence interval fo...

Q: The following information was obtained from independent random samples. Assume Normally distributed ...

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Q: Health insurers are beginning to offer telemedicine services online that replace the common office v...

A: Given data  99 41 47 112 90 62 63 56 47 83 55 103 100 81 80 85 100 107 60 89

Q: Fully explain why the probability of getting a winning position in Nim if the piles are determined r...

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Q: Assume that Richter scale magnitudes of earthquakes are normally distributed with a mean of 1.184 an...

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Q: 4. Given a normal distribution with population u = 35 and population variance o? = 25, find the %3D ...

A: 4. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. T...

Q: Weekly Income 1553 Food Budget Food Budget Weekly Income 1636 1598 1639 1680 1740 1655 1677 1660 165...

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Q: Find the nature of the states of the Markov chain with the tpm 1 2 0( 0 P = 1 1 1/2 0 1/2 20 1 0

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Q: vy=99% , Confidence Level = 90% , n = 10 One-sided Tolerance Interval v n=12, CL=90% X2 a ‚n – 1

A:   At y= 99% = 0.99 And n= 10 degrees of freedom, and 90% confidence interval= 0.90 The value of one ...

Q: Calculate the index number using both the Aggregate Expenditure Method and Family Budget Method for ...

A: Solution is given:

Q: Two researchs adopted different sampling techniques while investistigating the same group of student...

A: Given that -

Q: A researcher is interested in finding a 90% confidence interval for the mean number minutes students...

A: For the given data Find a. To compute the confidence interval use a ___________   distribution. b. W...

Q: Stress at work: In a poll about work, 45% of respondents said that their jobs were sometimes or alwa...

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Q: Advertisement ($'000)   Sales ($'000) 1068    4489 1026    5611 767      3290 885      4113 115...

A: In this case, advertisement (x) is the independent variable and sales (y) is the dependent variable.

Q: Match the correct critical values for the t, and chi-square and tolerance interval factor v X3,025.7...

A: The critical value is a constant value on the test distribution.  To find these critical values we s...

Q: can you explain in 800 words,  basic elements of sampling?

A: Sample : Sample is small, manageable, version of large group (population).  It is a subset of popula...

Q: Consider the experiment of tossing an unbiased coin twice. Find the probability of getting a tail in...

A: GivenAn unbiased coin tossed twice Then the outcomes are(H,H)(H,T)(T,H)(T,T)

Q: In a random sample of 375 students at a university, 318 stated that they were nonsmokers. Based on t...

A: It is given that Sample size n = 375 Number of nonsmokers, X = 318 The critical value of Z at 90% co...

Q: You measure 35 randomly selected textbooks' weights, and find they have a mean weight of 63 ounces. ...

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Q: E. The Johnson family got married a few years ago and they planwoH (b to have five children. They ha...

A: Probability of girl = 0.5 Probability of boy = 0.5

Q: You are interested in finding a 95% confidence interval for the average number of days of class that...

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Q: Assume that the life of a roller bearing follows a Weibull distribution with parameters β = 2 and δ ...

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Q: The area under the curve of the alpha region of a two-tailed Chi-Square has more area on the left ta...

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Q: The length of time (in seconds) that a user views a page on a Web site before moving to another page...

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Q: Assuming the outcomes to be equally likely, find the probability that first answer is "True." The pr...

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Q: Medians, etc problem."   Suppose X has density x−2 for x ≥ 1. Find the density function for Y = X2...

A: Suppose X has density X-2 for x ≥ 1. Find the density function for Y = X2    

Q: Q8.3 Mean and Median 1 Point Suppose we measure GPA for people in our class, we find the mean is 2.8...

A: Solution-: Q 8.3 Suppose we assume GPA for people in our class. We find the mean is 2.8 and median i...

Q: Reliability testing has indicated that a voltage inverter has a 6 month reliability of 0.87 without ...

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Q: Example 4.9 SuppOse that X1,..., X, form a random sample from a Poisson distri- bution with unknown ...

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Q: Complete the Table Below Regression Statistics Multiple R R Square Adjusted R Square Standard Error ...

A: Solution: Given information: n= 11 observation  k=1 independent variable  SSR= 68.0  Sum of square o...

Q: Answer the following statistic questions. Name two different shapes that are possible for distributi...

A: The two  different kinds of shapes are possible for distribution in histogram are: Bell Shaped. Sk...