Find out mean diviation and its co-efficient (For mean) from the following information: Marks No. of students 0-5 4 5-10 10-15 10 15-20 12 20-25 8 25-30 15 30-35 12 35-40 15 40-45 12 45-50

Q: 2.The administration at a college wishes to estimate, the proportion of all its entering freshmen wh...

A: Given;margin of error(E) = 4population standard deviation(σ)= 1.3for confidence level 95%, significa...

Q: The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the pa...

A: We have given that data  First Arrange data in ascending order.  2, 5, 9, 10, 14, 14, 17, 17, 18, 20...

Q: %3D %3D (a) Find P(AN B). (b) Find P(A|B). (d) Ar e 4 ond R disioint ou onte? ueing probabilities.

A: We have given that  A and B are two events with  P(A)=0.36, P(B)=0.48, and P(A or B)= 0.60. NOTE:- A...

Q: A market research firm is interested in surveying certain attitudes in a small community. There are ...

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

Q: The ages of Stephanie's five cousins are listed below. 5 11 10 18 16 1) Calculate the mean. 2) Fill ...

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Q: 4. From the marks obtained by 8 students in Accountancy and Statistics, compute rank coefficient of ...

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Q: A committee of 5 is to be chosen from a group of 10 people. How many ways can it be chosen, if Bill ...

A: Below the solution

Q: 3. In a histogram, the proportion of the total area which must be to the right of the mean is: a. le...

A: Solution-: In a histogram, the proportion of the total area which must be to the right of the mean i...

Q: 23% adults favor the use of unmanned drones by police agencies. twelve u.s. adults are randomly sele...

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Q: Find the indicated z-score shown in the graph to the right. Area = 0.0217 z= ? The z-score is. (Roun...

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Q: 9. From the data given below examine whether there exists any correlation between X and Y: X: 6.9 8....

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Q: Create a frequency table for these data, beginning with a lower class limit of 20 and a class width/...

A: Given data Lower class limit = 20 Class width = 7

Q: 6 The z-score that bounds a tail area of 0.20 is ________. a 0.84 b 0.82 ...

A: Ans#6- Find the z-score that bounds a tail area of  0.20  

Q: 3. A government agency wishes to estimate the proportion of drivers aged 16–24 who have been involve...

A: Here is given that, margin of error is 1% = 0.01 Proportion is 0.12 We will use z-proportion to find...

Q: Subject- Statistics and Probability Instruc: A tennis player has to play 3 consecutive games. Answe...

A: Given that  A tennis player has to play 3 consecutive games. Win=W Lose=L

Q: Consider the following sample data.   Sample A: 9, 15, 21 Sample B: 67, 73, 79 Sample C: 1,030; 1,0...

A: Formula : sample mean : x̄=Σx/n Standard deviation :

Q: There are 28 students in a class taking a test. What is the chance you can guess correctly who is tu...

A: Given information: It is given that there are 28 students in the class taking the test.

Q: the probability distribution of the situation below: II. Construct drwn in succession without replac...

A: Given that, an urn contails 5 white and 6 black balls. Two balls are drawn  without replacement. Let...

Q: Vhat one ship d every l0 & wreelked, fiad probability that out of s Ship that ii expeted. to arcuee ...

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Q: A four-digit security code is randomly selected from the numbers 0,0, 1,1, 2,2, 3,3, 4,4, 5,5, 6,6, ...

A: Four digit security code is randomly selected from the numbers 0,1,...,9 So, total number of digits ...

Q: Independent random samples taken on two university campuses revealed the following information conce...

A: Sample sizes n1=50      , n2=40        Sample means X̄1=260      , X̄2=250        ?1 =20       ?2=23...

Q: The marks obtained by fine students are : 21, 36, 40, 49. Find the value of geometric mean.

A: x log(x) 21 1.3222 36 1.5563 40 1.6021 49 1.6902 --- ---   ∑log(x)=6.1708

Q: Time (sec) Frequency D Refer to the table summarizing service times (seconds) of dinners at a fast f...

A: Given the table summarizing service times (seconds) of dinners at a fast food restaurant. We have to...

Q: A survey of used car salesmen revealed the following information: 69 wear white patent-leather shoes...

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Q: Problem : Which single sampling plan should be used for a lot size of 1000 and an AOQL of 2%h, if th...

A:

Q: Subject- Statistics and Probability Instruc: A tennis player has to play 3 consecutive games. Answe...

A: Given information: A tennis player has to play 3 consecutive games. Let the probability of winning i...

Q: 1. Test a hypothesis the average age of transition to parenthood in the U.S. is different from what ...

A:

Q: Payoff of three Acts A, B, C and D and the states of nature P, Q, R are States of nature Payoffs Act...

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Q: rise, the player is awarded nothing and the casino takes the player's $6. Find the expected value E(...

A: Given Probability of winning a game = 1/38 Here a person bet on a particular number 17 of rupees $6 ...

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The...

A: Given that  The Tom's commuting time from his residence in Carmel to the IUPUI campus has a normal d...

Q: 4: a) Let X.X., X -N (Hi,6f). Let Y,, Y2 Ym-N (u2,63). .... d (1-a) % CIfor oi when ai. a known.

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Q: 1. A fair six-sided die is to be rolled once. Let A be the event “an even number turns up" and B be ...

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Q: A check-cashing service has found that approximately 5% of all checks submitted to the service for c...

A: Given: n = 1124 x = 45 p = x/n = 45/1124 = 0.04 P = 5% = 0.05  

Q: Sketch by hand a scatterplot of the number of uninsured people in 2007 (as the response variable) ag...

A:  

Q: In a study of carbohydrate diet, an investigator wishes to test a hypothesis test for whether the po...

A: Given that, mean is 5.20   and standard deviation is 1.3   n is 30 We ei use one sample z-confidence...

Q: 3 Let B be the OLS estimate from the regression of y on X. Let A be a (k + 1) × (k + 1) nonsingular ...

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Q: Calculate mode from following data: 5-10 10-20 20-30 30-40 40-50 50-60 60-70 X: 0-5 f: 128 150 520 4...

A: Solution-: We have following data: Class (X) Freq. (f) 0-5 128 5-10 150 10-20 520 20-30 ...

Q: If the variable Z is normally distributed with mean equal to 0 and standard deviation equal to 1. ...

A: Given that Z ~ N (0,1 ) Find P(Z < -0.39 or Z > -0.13) = ?  

Q: Some studies have noticed a positive correlation between the number of procedures performed (volume)...

A: We have to answer of the given question, either true or false.

Q: 2. Elizon Pharmaceuticals, Inc., announced the results of its first human trial of NPI 32101, a topi...

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

Q: The z-score interval that bounds a middle area of 0.75 is _____. a ± 1.08 b ± 1.10 c ± 1.13 d ± 1.15

A:

Q: The following summary table presents the results from an ANOVA comparing five treatment conditions w...

A: Given: n=5 Total sum of square=1500  MS between treatments =125  

Q: .14 Hepatitis C and bone density. Does chronic hepatitis C infection affect bone mineral density? In...

A: Solution: Given information: n= 28 Sample size  x = -0.61  Sample mean μ= 0  Population mean σ=1 Pop...

Q: Consider the following Information: Rate of Return if State Ocgura State of Probability of Xconony S...

A: Given data 

Q: for all children in Jordan is less than 12 g/dl because of inadequate health condi- Oxygen from the ...

A: We can use Hypothesis Testing to infer value of population parameter from sample data. 

Q: A student's course grade is based on one midterm that counts as 10% of his final grade, one class pr...

A: Given : 1) Mid term marks=62 Weightage=10% 2) project marks=97 Weightage=10% 3) homework assignment ...

Q: Subject- Statistics and Probability Instruct. The random variable X represents the number of defect...

A: Given probability  P(X=0)=0.95, P(X=1)=0.03, P(X=2)=0.01, P(X=3)=0.01 

Q: ExpectancyY It is believed that there is a logarithmic relation between life expectancy and the year...

A:

Q: Consider population data with  ? = 250  and  ? = 5. (a) Compute the coefficient of variation.   2%...

A: Solution: Given information: μ=250  Population mean σ=5 Population standard deviation 

Q: In regression (1), Y is regressed against X1. In regression (2), Y is regressed against X1,X2, and X...

A: Given information: The residual sum of squares and sample sizes are given for 2 regression models.