nation. In view of the day to day radical changes in agricultural research‚ the scenario is becoming tough for agricultural scientists and associated scholars. Statistical science is concerned with the aspect of theory of design of experiments and sample investigation and drawing valid inferences from using various statistical methods. The statisticians design the experiments‚ trials and analyze the data and interpret the facts. Statistical design and technique helps to describe the involvement
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6.14 Show that for a sample of n = 39‚ the smallest and largest Z values are – 1.96 and + 1.96‚ and the middle (i.e.‚ 20th) Z value is 0.00. 6.19 The data in the file spending represent the per-capita spending‚ in thousands of dollars‚ for each state in 2004. Decide whether the data appear to be approximately normally distributed by A. Comparing data characteristics to theoretical properties. B. Constructing a normal probability plot. 7.1. For a population containing N=902 individuals what code number
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Statistics – Case Chapter 9 1. It is not proper to multiply the average order size by the number of addresses (1.3 million people = population) in the target mailing because the sample is representative of the 600‚000 people in the database‚ not the 1.3 million target population‚ thus you cannot use the average of the sample as an estimate for the population. Also‚ multiplying by 1.3 million would suggest that the entire 1.3 million people would be purchasing. 2. It is better to multiply the endpoints
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cover. The objective of this experiment is to determine whether an undisturbed habitat will yield a higher species diversity and density than a disturbed habitat. The experiment will investigate the sample area’s using the method of Quadrant sampling. Quadrants are placed in a grid pattern on the sample area. The occurrence of organisms in these squares is noted. It is used to estimate population parameters when the organisms present are too numerous to count in total. In this case‚ Quadrant sampling
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Non Performing Assets (npa) in sbi Getting current updates and regulations for the non performing assets (npa) in sbi With a steep rise in the ratio of the nonperforming assets all over the country‚ it has been really tough for the RBI to control and manage in the given time frame. No doubt‚ public sector banks including SBI have been in the list of banks that have been implementing the procedures to control the default line of the borrowers. On the other hand‚ it should also be noted that nonperforming
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set at 0.05. A random check of 172 unpaid balances revealed the sample mean is $407 and the standard deviation of the sample is $38. Should the credit manager conclude that the population mean is greater than $400? Question 2 A machine is set to fill a specially designed bottle with 9.0 grams of vitamins. It is claimed that the mean is less than 9.0 grams. The hypothesis is to be tested at the 0.01 level. A sample revealed these weights (in
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International Journal of Scientific & Engineering Research‚ Volume 4‚ Issue 7‚ July-2013 ISSN 2229-5518 730 A Study of Indian Rural Buying Behaviour for Selected Consumer Durables By Prof.Yuvraj L Lahoti¹ and Dr. Alfred S.J. Jacob² Abstract: The success of brand and product in India is unpredictable because with vast rural market and consumers it is difficult to guess the consumer behavior. Consumer behavior is centre of the modern marketing‚ understanding his behaviour is quite essential
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these formulas assume simple random sampling. * Sample mean = x = ( Σ xi ) / n * Sample standard deviation = s = sqrt [ Σ ( xi - x )2 / ( n - 1 ) ] * Sample variance = s2 = Σ ( xi - x )2 / ( n - 1 ) * Variance of sample proportion = sp2 = pq / (n - 1) * Pooled sample proportion = p = (p1 * n1 + p2 * n2) / (n1 + n2) * Pooled sample standard deviation = sp = sqrt [ (n1 - 1) * s12 + (n2 - 1) * s22 ] / (n1 + n2 - 2) ] * Sample correlation coefficient = r = [ 1 / (n - 1) ] * Σ
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MM207 Final Project Name: Eddie S. Jackson 1. Using the MM207 Student Data Set: a) What is the correlation between student cumulative GPA and the number of hours spent on school work each week? Be sure to include the computations or StatCrunch output to support your answer. My answer : 0.27817234 (from StatCrunch): Correlation between Q10 What is your cumulative Grade Point Average at Kaplan University? and Q11 How many hours do you spend on school work each week? is: 0.27817234 b)
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10.89 1.99 (32.82‚ 39.57) C18 30 40.15 10.30 1.88 (36.96‚ 43.35) C19 30 37.34 9.08 1.66 (34.53‚ 40.16) C20 30 39.46 10.65 1.94 (36.16‚ 42.77) C21 30 34.71 9.21 1.68 (31.85‚ 37.57) d) 1 Sample T-Test for Variable C2 n= 30 df= 29 = 36.91 SE= 1.92 α= 1-CC = 1.0.90 = 0.1 e) Apply binomial theorem for x= 16‚ 17‚18‚19‚20 p=0.9 q=0.1 n=20 16 Interval 17 Interval 18 Interval 19 Interval 20 Interval
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