A family of sampling methods where the results obtained from the sample can be projected onto the population is referred to as ... A) Descriptive B) Quota C) Projection D) Systematic E) Intercept F) Simple random G) Probabilistic H) Sampling frame

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A: Given n=40 Standard deviations=175 Mean=500 X-bar=526

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A: The provided information is The regression equation ismarks=86.7855-3.0090*facebokkposts.Then the…

Q: 3. Borkiewicz has given the following data of men killed by the kick of a horse in certain Prussian…

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Q: Another measure of the average is called the midquartile; it is the numerical value halfway between…

A: Solution- Given that data 55 , 60, 68 , 94  97, 100, 103 Find Q2(median)=?

Q: Is 1.41 the answer to question A or B?

A: here use basic of hypothesis testing

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A: Given Information: Consider the data: In 1960:    n1=151.3 million p1=0.134 In 2000:    n2=281.4…

Q: Model Summary Adjusted R Square Std. Error of the Estimate Model R R Square 1 .214a .046 .043…

A: Regression Analysis: We use regression analysis to find the relationship between two or more…

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Q: The Department of Transportation in South Africa conducted a study a number of years ago that showed…

A: Solution-: Given: P0=0.37,n=100,p^=0.28,c=0.99 We want to  (a) State the null and alternative…

Q: Chu (2003) studied the number of goals scored during the 232 World Cup soccer games played from 1990…

A: (a) The average number of goals scored in a 90-minute soccer game was 2.5. Assuming this average…

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A: A number of events are said to be independent if the probability of occurrence of any one of them is…

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A: Given The first prize for a raffle is S500,000  (with a probability of 0.001) and the second prize…

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A: Given : The question is about a counting of data using a pivot table Marital status Housing Type…

Q: Ukraine-1996 Ukraine-2019 First 20% of population 3.70% of income held 10% of income held First 40%…

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Q: Q2. A laundry for car wash found that the average, for small size car, cleaning time is 5 mins in…

A: The question is about a confidence int. for two popl. means with known popl. var. Given : Average…

Q: Customers are used to evaluate preliminary product designs. In the past, 92 % of highly successful…

A: Let A and B are two events then as per Bay's theorem the formula of P(A/B) is defined as shown below…

Q: Road Transport Department claims that the mean speed of cars on a highway is 114 km/h. An insurance…

A: In question, Given the mean speed of cars on highway is 114 km/h. The sample of size is 21 cars…

Q: 4. Calculate the standard deviation. 5. Select and draw the most appropriate method (graph/chart) in…

A: Given the data as ID Age BLL Log10BLL 1 3 69 1.84 2 4 45 1.66 3 6 49 1.69 4 7 84 1.92 5…

Q: small Regression Model Summary Adjusted R Śquare Std. Error of the Estimate Model R R Square .491ª…

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Q: distribution with mean, 0 and variance, ø and K1 ,K2 ,...,K17 having a chi-square distribution with…

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Q: what does the underlined word say at the very end?

A: what does the underlined word say at the very end?

Q: 2. Five 2 cm thick experimental pieces of an insulation material were tested at random. Resulted…

A: Use the Excel and Perform the Regression. Followings are the Steps to perform the Regression 1) Open…

Q: If, in a (two-tail) hypothesis test, the p-value is 0.0803, what is your statistical decision if you…

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Q: find d) length of confidence interval and graph

A: We need to find the length of the confidence interval and graph it.

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A: Dear students as per guidelines we answer the first question only when multiple unrelated questions…

Q: A University claims that 75% of its basketball players get degrees. An investigation examined 18…

A: From the provided information, A University claims that 75% of its basketball players get degrees.…

Q: Carry your intermediate computations to three or more decimal places, and round your responses as…

A: I solved exactly first three subparts because of bartleby policy if you want more please upload…

Q: piuces. (Il iecEssary, consult a list of formulas.) (a) State the null hypothesis H, and the…

A: I solved exactly first three subparts because of bartleby policy if you want more please upload…

Q: When testing a hypothesis about a single mean, if the sample size is 20, the population standard…

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Q: Motorists arrive at a Gulf gas station at the rate of two per minute during morning hours. a) What…

A: We have given that the number of motorists follow the Poisson distribution with average λ = 2 per…

Q: 4. Calculate the standard deviation. 5. Select and draw the most appropriate method (graph/chart) in…

A: Given the data as ID Age BLL Log10BLL 1 3 69 1.84 2 4 45 1.66 3 6 49 1.69 4 7 84 1.92 5…

Q: Give and define the properties required of a robust estimator. Note. This is under Exploratory Data…

A: Exploratory Research Analysis: This method of research is applicable when the topic of interest has…

Q: b)       In the frequency distribution of 60 students given below, the number of students…

A: Median is the middle most value. Mode is the value with highest frequency. Mean is the average…

Q: determine the following probabilities.   ​a) ​ P(z>1.31​) ​b) ​ P(z>−0.38​) ​c) ​ P(−1.58≤z≤−0.63​)…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: The following histograms represent the heights, measured to the nearest cm, of 14 women and 13 men.…

A: Given the following histogram to represent the heights of 14 women and 13 men:

Q: Part 2 of 2 Find the interquartile range. Round your answer to one decimal place as needed. IQR

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Q: The stock of a warehouse consists of boxes of high, medium and low quality lightbulbs in respective…

A: The answer is attached below,

Q: what is the expected number of failures?

A: here p =  proportion of female in US   p = 0.51  n = sample size = 500 here consider p = proportion…

Q: 22. Suppose that the first researcher conducted his survey by randomly choosing one state in the…

A: Sampling is a process of selecting samples from a population.

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 431 green peas…

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Q: are buying 10 t-shirts and have as many of each type

A: Given, You are buying 10 t-shirts and there are 8 different colors to choose from.

Q: The last number is 18 not 1

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Q: b) Assume that a recent survey suggests that about 77% of adults have heard of the brand. n = (Round…

A: here given for part b) sample proportion =  0.77  confidence level = 80% MOE  =  0.05

Q: A random sample of 11 health maintenance organizations (HMOS) was selected. For each HMO, the…

A: The provided information is  x x2 41 1681 49 2401 54 2916 29 841 45 2025 35 1225 59…

Q: ) Your current portfolio of investments has an expected rate of return ot standard deviation of 16%.…

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Q: The manager of a bottling plant is anxious to reduce the variability in net weight of fruit bottled.…

A: Consider that σ is the population standard deviation of net weights of fruit bottles using the new…

Q: What is the correlation between x

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Q: The stock of a warehouse consists of boxes of high, medium and low quality lightbulbs in respective…

A: The answer is attached below,

Q: The following data set is the GPAs of the students in a statistics class. 1.93, 1.99, 2.00, 2.04,…

A: The percentile of 2.34 GPA is - ((Number of people who got < 2.34)/total no. of GPA's)*100