From the following data construct Laspayres Price index number in 1989 with 1986 as base year. Commodity Price in Price in Quantity in Quantity in 1986 1989 1986 1989 i 8 10 11 16 ii 10 16 15 21 iii 12 14 5 12 iv 16 18 7 V 20 22 13 19

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

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Q: A book store must order books two months before each semester ends. The manager believes that the nu...

A: Given data: X 36 28 35 39 30 30 31 38 36 38 29 26 Y 31 29 34 35 29 30 30 38 34 33 29 26 Firs...

Q: Calculate mode from following data: 0-5 5-10 10-20 20-30 30-40 40-50 50-60 60-70 X: 128 150 520 464 ...

A: Class Frequency 0 - 5 128 5 - 10 150 10 - 20 520 20 - 30 464 30 - 40 398 40 - 50 324 5...

Q: A money market mutual fund manages a $ 100 crores fund invested in money market securities. It has a...

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Q: The z-score that bounds a tail area of 9.5% is ________. a 1.39         b 1.35         c 1.31       ...

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Q: Find out mean diviation and its co-efficient (For mean) from the following information: Marks No. of...

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Q: Use the standard normal table to find the z-score that corresponds to the cumulative area 0.2946. If...

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Q: Calculate Harmonic from the following statistical data : Wages: 10 12 14 16 18 No. of workers: 2 5 8...

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Q: You just completed participation activities utilizing shadow price and the 100% rule. Now think of a...

A: First, let's define what shadow price and 100% rules are.100%rules states that the tot changes in th...

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: 6 men and 4 women are ranked according to their scores on an exam. Assume that no two scores are ali...

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Q: Determine whether the graph shown could represent a variable with a nomal distribution. Explain your...

A: Determine whether the graph shown could represent a variable with normal distribution.Explain your r...

Q: f it is glven that Σ κ= -100 , Σ-400, Σί -1000, Σ ί*- 5000 and N= 10, find the first four central mo...

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Q: Say that we have a null hypothesis that X1,..., X16 that are Normally distributed with mean 0 and va...

A: Given that X1, . . ., X16 are normally distributed with mean 0 and variance 1. p-value=2ϕ4X¯-1

Q: A ball is drawn at random from a box containing 6 red balls, 4 white balls and 5 blue balls. Determi...

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Q: Speed (miles per hour) Frequency 42 - 45 46 - 49 50 - 53 54 - 57 58 - 61 29 16 The mean of the frequ...

A: We have given that data  I want to find mean.  Mean = sum of all observations/total number of observ...

Q: Q. 1. Calculate median from the following items : 5, 7, 9, 11, 13, 15, 17, 19, 21

A: Given data is 5,7,9,11,13,15,17,19,21

Q: Newborn babies: A study conducted by the Center for Population Economics at the University of Chicag...

A: Given,sample size(n)=758mean(μ)=3154standard deviation(σ)=835

Q: A cohort of students in a linguistics program speak a variety of languages. Following a survey, it i...

A: Given that A cohort of students in a linguistics program speak a variety of languages. Following a s...

Q: A student earned grades of A, C, B, A, and D. Those courses had these corresponding numbers of credi...

A: GPA : The Grade Point Average (GPA) is a metric that is used to assess your academic performance.You...

Q: Determining Sample Size. In Exercises 31–38, use the given data to find the minimum sample size requ...

A: The objective is to find the sample size for the study to find percentage of left handed person in U...

Q: Jamaal recorded the amount of money he spent on snacks and then calculated the following measures: ...

A: Given: Jamaal recorded the amount of money he spent on snacks  The measures are as follows: mean: $5...

Q: Galton discovered the phenomenon of regression to the mean when observing the correlation of the hei...

A: The regression to the mean essentially describes the characteristic, through which an assumed variab...

Q: Assuming that half the population is vegetarian so that the chance of an individual being a vegetari...

A: Given Information: The proportion of vegetarians p=12 i.e., 0.5 Number of investigators N=100 Sample...

Q: Among a group of 28 stocks, suppose that 14 will perform above average and the other 14 will perform...

A: Given that, Above average =14 Below average  =14 Total = 28 P(all 9 above average ) = ?  

Q: Use spearmans rank correlation coefficient Rankings of 10 trainees at the beginning (x) and at the e...

A: Coefficient correlation : The parametric statistic may be a applied math live of however sturdy a re...

Q: Assume that among diabetics the fasting blood level of glucose is approximately normally distribute ...

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Q: We want to investigate whether Ozone values differ across months as measured. 2.1 State the null and...

A: H0=Null hypothesis  H1: Alternate hypothesis 

Q: Problem 2. The national soccer team plays soccer 3 times a week. The team plays soccer, O days is 0....

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Q: Astudy is undertaken to investigate the self-reported health status among women with osteoporosis. H...

A: The median is middle value of the observations, above or below which 50% of the observations lie.

Q: Let X (X,,. .., X,) consist of independent and identically distributed randon variables, with X,~N(0...

A: From the given information, X=X1,X2,....,Xn consist of independent and identically distributed rando...

Q: 5.Which of the following statements about the mean is not always correct? A The sum of the deviation...

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: 6. The three samples below have been obtained from normal populations with equal variances. Test the...

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Q: Problem: In Dodge-Torrey CSP-2, it is desired to apply sampling inspectigin to 1 item out of every 1...

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Q: Q. 1. Calculate median from the following items : 5, 7,9, 11, 13, 15, 17, 19, 21

A: Given The data is as follows: 5,7,9,11,13,15,17,19,21

Q: 32. Chickenpox You plan to conduct a survey to estimate the percentage of adults who have had chicke...

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Q: Confidence Intervals. In Exercises 9–24, construct the confidence interval estimate of the mean. 9. ...

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Q: Manufacture of a certain component requires three different machining operations. Machining time for...

A: From the given information, H0:μ=65Ha:μ≠65 true average machine time is 66 minutes. sample size, n=1...

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: From the following data calculate Harmonic mean Class Interval Frequency 0-10 20 10-20 25 20-30 85 3...

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Q: A factorial experiment was designed to test for any significant differences in the time needed to pe...

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Q: Example 17-47. Show that the largest observations L of a sample of n observations fro a rectangular ...

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Q: I1. A field of study contains 14,204 men and 17,811 women. A survey stratified with respect to gende...

A: Given Information: Number of men  = 14204 Number of women = 17811 The sample size (n) = 750 Required...

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A: Given,  random samples of the thickness (in millimeters) of insulation in transformer windings. Wher...

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was 150...

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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: A company finds that one out of every 6 workers it hires turns out to be unsatisfactory. Assume that...

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Q: Calculate the co-efficient of rank correlation from the following data. Price of Coffee Price of Tea...

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Q: A pharmacologist is testing whether a new anti-anxiety medication, Moodcor, will cause people to gai...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...