X1 X Example 7. From the following data find quartile deviation and its coefficient. 20-25 25-30 12 15 10-15 8 15-20 10 30-35 10 35-40 7 40-45 8 45-50 5

Q: Find and show work for: f(1,1) f(2,0) f(0,0)

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Q: CLASS INTERVAL 25-29 20-24 15-19 10-14 5-9 P=L+C [(F) (N) - fc] FW P= Desired Quantile L= Lower…

A: We have given that,  Class interval frequency (f)  cumulative frequency (cf)  25 - 29 3 30 20…

Q: successful basketball player has a height of 6 feet 3 inches, or 191 cm. Based on statistics from a…

A: given data for basketball player, x = 6 feet   3 inches = 191 cm z score for that height = z = 2.31…

Q: There are 11 employees in a particular division of a company. Their salaries have a mean of $80,000,…

A: Given Information: Number of employees = 11 Mean is $80,000 Median is $66,000 The standard deviation…

Q: Please answer part E only

A: to solve Part E  we have to answers a to c As you answers A to C we solve only part e

Q: an example of a discrete quantitative ent grade point average e spent preparing for SAT

A: A variable can be used to characterize a individual quantitative or qualitative characteristics.…

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A: The level of significance is denoted by alpha, that is the probability of Type 1 error which is the…

Q: Find the 94th percentile, P94,  from the following data 1000 1100 1400 1500 1600 1800 1900 2000…

A: Given,sample size(n)=35the given data is already arranged in ascending order.

Q: In a survey of 1398 people, 987 people said they voted in a recent presidential election. Voting…

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Q: A medical test is available to determine whether a patient has a certain disease. To determine the…

A: Given information: Total number of people tested = 10100   Only 100 of these people have the…

Q: Show that at least ten of any 64 days chosen must fall on the same day of the week. Please specify…

A: We need to proof at least ten of any 64 days chosen must fall on the same day of the week.

Q: Without properly working spark plugs, a vehicle will not run. For a specific vehicle, the spark…

A: Let X be the random variable from normal distribution with mean (μ) = 4.1, standard deviation (σ) =…

Q: Suppose that in a senior college class of 500 students it is found that 210 smoke, 258 drink…

A: The question is about probability Given : Total no. of students = 500 No. of students who smoke =…

Q: TA file 6 6 8 7 3 3 8 7 5 9 4 3 8 4 4 5 6 5 9 995 9 7 8 3 10 8 9 velop a 95% confidence interval…

A: There are 50 observations; n=50 6 4 6 8 7 7 6 3 3 8 10 4 8 7 8 7 5 9 5 8 4 3 8 5 5 4 4 4 8 4…

Q: The number of earthquakes that occur per week in California follows a Poisson distribution with a…

A: As the question includes 4 sub-parts and not mentioned which sub-parts to be done only three…

Q: Studies are often done by pharmaceutical companies to determine the effectiveness of a treatment…

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

Q: K Assume that adults have IQ scores that are normally distributed with a mean of μ= 100 and a…

A: Solution - Given that  X denote iq score of adult are normally distributed with mean 100 and…

Q: QUESTION 10 Suppose the diagram of an electrical system is as given in Figure 2.10 on page 71 of the…

A: Given information: The probabilities are given for the four components. P(A)=0.95 P(B)=0.7 P(C)=0.8…

Q: Q2// On a certain day an executive received fifteen telephone calls. The distribution of the time…

A: Solution: Let X represent the time spent on a call (in minutes)

Q: In a test of the effectiveness of garlic for lowering cholesterol, 50 subjects were treated with…

A: It is given that Sample size n = 50 Sample mean difference = 5.7 Sample SD s = 16.5 Confidence level…

Q: #2 only in 20 mins

A: Given that: Total number of components, n=100 Probability of success, p=0.02

Q: In a survey of 1500 Filipinos, 15% said they believed in horoscope. Calculate a two-sided confidence…

A: Given length of CI=0.05 , p^=sample proportion=p^=0.15  Level of significance ɑ=0.01

Q: A project manager asked ten engineers how many projects they had engaged in the last 12 months.…

A: The question is about graphical representation of data   Introduction : Stem and Leaf plot : It is a…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Givenconfidence level=99%Margin of error(E)=0.045

Q: The Pearson correlation coefficient between two variables (education and income) is .354. Answer the…

A:

Q: (a) Determine the population mean pulse. The population mean pulse is approximately (Round to one…

A: Given: Population size, N=9 Student Pulse Perceptual Bempah 86 Megan Brooks 73 Jeff…

Q: An automobile manufacturer decides to carry out a fuel efficiency test to determine if it can…

A: Given For previous model  Sample size=n1=6, sample mean x̄1=29.5, standard deviations s1=1.41  For…

Q: A starting lineup in basketball consists of two guards, two forwards, and a center. (a) A certain…

A: Given Information: A starting lineup in basketball consists of 2 guards, 2 forwards and 1 center. A…

Q: Find the CDF of an exponential random variable with mean 1/λ .

A: Solution

Q: Based from the values of central tendency for elemental analysis, determine whether the distribution…

A: Answer: From the given data, Mean = 35 ppm Median = 40 ppm Mode = 43 ppm

Q: In a survey of 1500 Filipinos, 15% said they believed in horoscope. Calculate a two-sided confidence…

A: We have given that,  Sample size (n) = 1500 and sample proportion (p̂) = 0.15 Then,  We will find…

Q: Home Sales Prices (hundred thousands) (ten thousands) 0 667778999 1 02447778889999 2…

A: Given that  Stem and leaf plot  Home Sales Prices (hundred thousands) = Stem (ten thousands) =…

Q: The following data represent the pulse rates (beats per minute) of nine students enrolled in a…

A: Given data: Student Pulse Perpectual Bempah 64 Megan Brooks 75 Jeff Honeycutt 62 Clarice…

Q: QUESTION 1 1) Suppose tha Y is a random variable having an gamma distribution with a = 1, find the…

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Q: If 2 specific persons among the 10 people lined up to get on the bus refuse on following each other…

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Q: The following graph shows Salmonella cases linked to onions during the summer of 2020. Which best…

A: The objective is to interpret the appropriate option for the provided graph. In the graph, the…

Q: The means and standard deviations are given in the data table. With a correlation of 0.826,…

A: Given: Correlation coefficient r = 0.826 Mean of Dose X = 1.651 The standard deviation of Dose SX =…

Q: (a) Describe the sampling distribution of x for a random sample of size 16. The distribution of x is…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 2. The cumulative distribution function of a random variable is given by 0. F(x) = 2/3, 11/12, x <…

A: given data   cumulative distribution function f(x) = 0                                   x&lt;012…

Q: True or False. The standard deviation of the mean is less than the sample standard deviation because…

A:

Q: Consider a random sample of size n from a Weibull distribution, X,~ WEI(0, B). (a) Find a sufficient…

A: It is given that Xi~WEIθ, β So, the probability distribution function (PDF) can be written as…

Q: Identify each of the following data sets as either a population or a sample: a. The grade point…

A: Given that  We have to identify population and sample :  a. The grade point averages (GPAs) of all…

Q: Assuming you have a data matrix X that has n rows and p variables and you know both µ and Σ. How is…

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Q: Standard score B) Standardized score C) z statistic

A: Question : When calculating a z score for distribution of means, we refer to the z score as a.....

Q: Question: A farmer wants to know if the mean weight of a bale of wool from this year's shearing…

A: given data μ = 20 year average weight of bales of wool from his farmμ0 = the average weight of bales…

Q: For a sample of 300 mass values, the mean is 12 is 10 g. Assuming a bell-shaped curve, which in…

A: A sample of 300 mass values with a mean of 120 g and standard deviation of 10 g n=300x=120s=10

Q: Suppose an industrial/organizational psychologist is interested in the relationships between job…

A: To calculate the z score we use the formula which is z = (x – μ) / σ where x is the observed value…

Q: class, there were 203 students who enrolled in 2nd year. Some had analytic Geometry subject, some…

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Q: -1 0 Z-distribution =130 (approximately) 1 ABC 2 3 Consider the figure above. A scientist tried…

A: Given Sample size 3,5,20

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A: Given data, 55.3 55.3 55.3 55.9 55.9 55.9 55.9 56.1 56.1 56.1 56.1 56.1…