* A random variable X takes values between 4 and 6 with a probability density function f (x) = for 4

Q: (a) Calculate Coefficient of Correlation (b) Determine the Probable Error and interpret the result

A: Given: sample size, n=8 x y 65 67 66 68 67 65 67 68 68 72 69 72 70 69 72 71

Q: What is the average elastic modulus of nylon when the forces are low? Do not be surprised by the lar...

A:

Q: This is a follow-up question to Question 4(a-c) in Homework 4. You don't have to correctly answer th...

A:

Q: List below shows the marks obtained by MPA/MIRD students for their test in on Qualitative Research M...

A: The marks of 60 students are given as: 13,7,12,6,34,14,47,25,45,2,13,26,10,8,1,14,41,10,3,21,8,13,28...

Q: Mode of transport Percentage Metro 36 Bus 31

A: Given: Mode of transport Percentage Metro 36 Bus 31 Motor vehicle 19 Cycle 14  

Q: Example 1 Find index numbers for the years 1973, 1974 and 1975 from the following d taking 1972 as b...

A: The price change over the period of time is calculated using the index number. It is broadly classif...

Q: A survey was conducted by graduate students to investigate the current situation of students in Iraq...

A: Since you have posted multiple questions, as per our guidelines we have answered only 1 question. Pl...

Q: 6.10. The thickness of a printed circuit board is an impor- tant quality parameter. Data on board th...

A: Given the table::

Q: 10. Z is a standard normal random variable. The P(z> 2.23) equals A. 0.0129 В. 0.9821 C. 0.5 D. 0.01...

A: According to the given information in this question Z is the standard normal random variable We need...

Q: Suppose x has a distribution with ? = 78 and ? = 8.   Find P(74 ≤ x ≤ 79). (Round your answer to fou...

A: GivenMean(μ)=78standard deviation(σ)=8

Q: A CEO of a multihospital system is planning to expand operations into various states. It will take s...

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you....

Q: Calculate the standard deviation from the data given below : Size of item Frequency Size of item Fre...

A: We have given that,  X :- 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5 f :- 3, 7, 22, 60, 85, 32, 8 Then,  We w...

Q: A sample analysis of examination results of 500 students was made. It was found that 220 students ha...

A:

Q: Out of forty student, 14 are taking English composition and 29 are taking Chemistry. If five student...

A:

Q: game shall win at least three of the next four games?

A: here given, in each set of games it is 2 to 1 in favour of winner  so p = probability of winning = 2...

Q: Example Calculate mean deviation from mean and median for the following data of heights given in inc...

A:

Q: Calculate the mean deviation from median and its coefficient of the following data: X : 0 1 2 3 4 5 ...

A:

Q: In each of a set of games, it is 2 to 1 in favour of the winner of the previous game ; what is the c...

A: Given that, In each of a set of games, it is 2 to 1 in favour of the winner of the previous game. We...

Q: box contains 5 green and 3 orange balls. If three balls are taken at random with replacements, what ...

A:

Q: 5-2-1. Properties of Distribution Function. We now proceed to derive a number of properties common t...

A:

Q: Calculate the coefficient of correlation using the method of concurrent deviation between supply and...

A:

Q: Find Link relatives for the following price Relatives Year 1980 1981 1982 1983 1984 Price Relatives ...

A: Index numbers are used to measure the change of price over a period of time. There are two types of ...

Q: 5. The following is a cryptarithm. SEND M O R E + M O NEY Each letter in the cryptarithm represents ...

A:

Q: From the following table calculate the coefficient of correlation by Karl Pearson's method : X: 6. 2...

A: We have have given that,  x̄ = 6 and ȳ = 8 Then,  ȳ =   8 = (9+11+y3+8+7)/5  8*5 = 35 + y3  y3 = 40-...

Q: trust fund is planning to invest up to Php60000 in two types of bonds.: A and B. Bond A is safer tha...

A: Let the given in the problem  x=amount invested in bond A y= amount invested in bond B The given mod...

Q: The price of a commodity increased by 5% from 2014 to 2015, 8% from 2015 to 2016 and 77% from 2016 t...

A:

Q: State whether the following statements are true or false : (i) For any data, larger the mean larger ...

A: The objective is to  state whether given statement is true or false   

Q: In a recent election 66% of people supported reelecting the incumbent.  Suppose a poll is done of 14...

A: Given,n=1470p=0.66

Q: The yields of a genetically modified wheat fin busheis per acrei were compared for fhve different va...

A: The given data are,  Variety  1 2 3 4 5 6 A 35.3 31.0 32.7 36.8 37.2 33.1 B 30.7 32.2 31.4 31...

Q: Example In a large group of students 80% have a recommended statistics book. Three students are sele...

A:

Q: From the index numbers given below find out index numbers by shifting th from 1990 to 1993 Year 1990...

A: Base shifting means changing of the given base period of a series of index numbers and recasting the...

Q: The average age of the JYP employees is known to be 32 years and the standard deviation is 5 years. ...

A:

Q: Define correlation

A: Given : Term : Correlation   

Q: 3 This table shows the percentage of people who own a laptop and a mobile phone in four different di...

A:

Q: If the size of a sample is 64 and standard error of mean is 1.5.What should be the sample if standar...

A:

Q: The number of monthly breakdowns of a computer is a RV having a Poisson distribution with mean equal...

A:

Q: When are two attributes said to be independent ? 0) From the following data calculate the remaining ...

A:

Q: Problem 8 X1, X2,...,Xn are a random sample. Explain if the following function is a statistic or not...

A:

Q: The following constants are obtained from measurements on length in mm. (X1), volume in c.c. (X2) an...

A:

Q: A group consists of 150 children. The group is divided into three subgroups A,B and C in the ratio o...

A:

Q: In each of a set of games, it is 2 to 1 in favour of the winner of the previous game ; what is the c...

A: Solution:

Q: If 10 is subtracted from every item in a data than the coefficient of variation of the resulting set...

A:

Q: A study was carried out into the attendance rate at a hospital of people in 16 different geographica...

A: Coefficient  correlation : The correlation coefficient is a statistical measure of how strong a rela...

Q: 1. Let X be a continuous random variable with the following density function: cx,0<x<2 f(x)= . 0, ot...

A: given;X be a continuous random variable with density function:f(x)=cx0≤x≤20otherwise

Q: A. Choose one problem, formulate the null and alternative hypothesis. Then identify situations where...

A: Using the given information appropriate hypothesis, i.e., the claim, that is expected to be tested a...

Q: Problem 7: The following are the underwater weights (in kg) for a random sample of 6 people: 3.6, 4....

A:

Q: An electrical firm manufactures T.V. picture tubes that have a length of life that is approximately ...

A:

Q: 87,87,87.5,88.5,89,90,92,92,100 what is the proportion above 87.5?

A:

Q: A high school baseball player has a 0.177 batting average. In one game, he gets 7 at bats. What is t...

A:

Q: A random sample of 36 scores from the Statistics examination of TVL learners is taken and gives a sa...

A: