Calculate range, quartile deviation and its co-efficient from the following statistical data: Weight per KG No. of students 40 1 42 4 46 6 50 7 52 9 55 13 57 10 60 8 65 70 5

Q: 16. The shows the number of observations with values smaller than the upper class boundary. A. great...

A: we have to identify correct term used to show number of observations with values smaller than the up...

Q: Assume that the proportion of voters who prefer Candidate A is p=0.247p=0.247.  Organization D condu...

A: Given :  p = 0.247 n = 5 Let X represent the number of voters polled who prefer Candidate A.    

Q: Drawing Cards If 3 cards are drawn at random from a deck of 52 cards and are not replaced, find the ...

A: We know that Total number of cards in a deck = 52 Number of spades = 13 Number of cards other than s...

Q: 1. (Prob. 13-54, p. 571) An article in Lubrication Engineering (December 1990) described the results...

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Q: The correlation coefficient is a measure of _______. Group of answer choices prediction mean differe...

A: In this case, we need to find the correct option for the given statement.

Q: The average wages paid to all workers in a factory was $. 5000. The average wages paid to male and f...

A: Given: Let n be total number of people, x be number of males and n-x be number of females. Average w...

Q: In a survey, 17 people were asked how much they spent on their child's last birthday gift. The resul...

A: Givensample size(n)=17sample mean(x)=42standard deviation(s)=4confidence interval=99%

Q: Represent the resultant of the three forces and one couple by an equivalent force R at A and a coupl...

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Q: From the following given sets of observations find the coefficient of correlations: (a) x Y (b) Y 69...

A: a) There is a positive correlation r=1.

Q: Which of the following is used to illustrate the “best guess” as to the predicted Y variable score b...

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Q: If X is a Poisson variable such that P(X = 2) = 9P(X= 4) + 90P(X = 6), find the mean and variance of...

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Q: When is Rank correlation coefficient preferred to Karl Pearson's method? In a bivariate sample, the ...

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Q: The Peachtree Airport in Atlanta serves light aircraft. It has a single runway and one air trafficco...

A: Given : arrival rate (λ)=4 per hour Survive rate (μ)=6012=5

Q: An certain brand of upright freezer is available in three different rated capacities: 16 ft, 18 ft, ...

A: Ans#- Given pmf of X     x 16 18 20 P(x) 0.1 0.3 0.6 (a) Compute E(x), E(x2), V(x)

Q: Statistics and Probability A game will be held in a tournament, will be selected in the four teams A...

A: game will be held in a tournament, will be selected in the four teams ABCD 40 players. They decided ...

Q: . A pair of dice is rolled, and the sum is determined. Let the random variable X denote this sum. Wh...

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Q: b) The stem and leaf below show the amount of magnesium found in a brand of bottled water in milligr...

A: The given stem-and-leaf plot shows the amount of magnesium found in a brand of bottled water in mill...

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a bell-shape...

A: Given that Mean = 98.24 , s.d= 0.59 At least ?  % of healthy adults have body temperatures within 2 ...

Q: In an entrance test for admission 900 students appeared. Their average marks were 50 and standard de...

A: Given that  n=900 Mean=μ=50 Standard deviation=σ=20

Q: (A) Find the standard deviation from the following data using short cut method: Age under 10 30 40 5...

A: The standard deviation for a provided frequency distribution (i.e., the frequency distribution for a...

Q: The following observations are lifetimes (days) subsequent to diagnosis for individuals suffering fr...

A: Given Data : Sample Size, n = 43 Sample Mean, x̄ = 1192.1 standard dev...

Q: EXAMPLE 5. Calculate Quartile Deviation and its Coefficient. July Aug. Sept. Oct. 145 Nov. Dec. Jan....

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Q: Cumulative Frequency Calculate mean deviation from median from the following data : Marks (Less than...

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Q: The life-time in hours of a certain electrical equipment has the normal distribution with mean - 80 ...

A: We hsve to find given probability using z table.

Q: In order to test whether a coin is perfect, it is tossed 5 times. The null hypothesis of perfectness...

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Q: The average wages paid to all workers in a factory was $. 5000. The average wages paid to male and f...

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Q: Suppose X and Y are discrete random variables with the following joint p.m.f., where any letters den...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: 6. The - shows the number of observations with values smaller than the upper class boundary. A. grea...

A: Solution-: The --------- shows the number of observations with values smaller than the upper class b...

Q: Suppose that a population consists of the values 11, 15, and 20. 1) What is the population mean, pop...

A: Given: Population consists of the value = 11, 15, and 20

Q: The manager of an advertising department has asked her creative team to propose six new ideas for an...

A: Here Given  There is 6 new Proposal for advertising campaign for major client.(A,B,C,D,E,F)

Q: From the data given below, calculate the regression equation taking deviation of items from the mean...

A: Regression Equation = ŷ = bX + a

Q: A population consists of four numbers 3, 4, 2, 5. Consider ail possible distinct samples (without re...

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Q: Find the area under the standard normal curve, which lies (a) To the left of Z 0.94 (b) To the right...

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Q: The probability that an international flight leaving the United States is delayed in departing (even...

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Q: Suppose ​p(t)=−0.39t3+106t2+7035t+90,000 is the population of a city t years after 1991.   a. Determ...

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Q: Let Y,...,Y, be a random sample from a distribution with the probability density function f(y) = B(1...

A: Given that Y1, . . . ,Yn be a random sample from a distribution with the probability density functio...

Q: Situation 1. To find out the effectiveness of a Strategic Intervention Material, Mrs. Lunes conducte...

A: Given information: Student Pretest Post test 1 32 35 2 25 30 3 18 29 4 33 33 5 25 23 ...

Q: 9. Veronica ran a marathon (26 miles). How many yards is that?

A: Veronica ran a marathon of 26 miles : We have to calculate yards. 

Q: A particular manufacturing design requires a shaft with a diameter of 24.000 mm, but shafts with dia...

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Q: The number of potholes in any given 1 mile stretch of freeway pavement in Pennsylvania has a bell-sh...

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Q: A regression was run to determine if there is a relationship between hours of TV watched per day (x)...

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Q: Calculate mean from the following observations : No. of events : 1 2 3 4 Frequency : 24 20 18 10 2

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Q: Situation 3: Professor Rojas wanted to find out if his students' vocabulary skills correlate signifi...

A: Given information: As per guidelines we will only answer the first three subparts, please repost oth...

Q: The proportion of all customers at Pizza Hut who eat on-site is 75 percent. In a sample of 100 patro...

A: Given that  n=100 , p=25%=0.25  , q=1-p=1-0.25=0.75 σp=√(p(1-p)/n)=√((0.25*0.75)/100) p0~Normal(μp=0...

Q: 10. Which level of measurement has the characteristic of having an order and distance but no unique ...

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Q: The life-time in hours of a certain electrical equipment has the normal distribution with mean - 80 ...

A:

Q: The price index and quantity index of a commodity were 120 and 110 respectively in 2005 with base 20...

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Q: In an entrance test for admission 900 students appeared. Their average marks were 50 and standard de...

A:

Q: Find the area under the standard normal curve, which lies (a) To the left of Z 0.94 (c) To the right...

A:

Q: A small-town mechanic says that 8% his customers come in for an oil change. When  1000 samples were ...

A: Target population means, the set of elements that we want to know more about