11 lines (11 sloc) 111 Bytes Search this file... 1 consumption income 2 414 643 3 51 264 4 258 345 766 1030 6. 829 903 7 952 1501 8 656 913 9 439 471 10 598 656 11 698 843

Q: Create a table based on the following data. Compute the percentage of each figure given. Show the pe...

A: Given, Last January 2020, a survey was conducted among 75 men and 75 women in the Philippines. The s...

Q: With a view to study whether the working condition in a factory had any influence on the frequency o...

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Q: Find Spearman's rank coefficient of correlation from the following data : 21 34 15 79 42 X : Y : 50 ...

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Q: A medical researcher wants to compare the pulse rates of smokers and non-smok He believes that the p...

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Q: 2. Suit Sales The number of suits sold per day at a retail store is shown in the table, with the cor...

A: X 19 20 21 22 23 P(X) 0.2 0.2 0.3 0.2 0.1  

Q: normally distributed with a mean of 1150 hours and a standard deviation of 175 hours. (Note: For z-s...

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Q: Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long t...

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Q: Customers arrive at the service counter at the rate of 15 per hour. What is the probability that the...

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Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe t...

A: Given  σ=79.8, level of significance=ɑ=0.05, Margin of error=moe=5  n=?   

Q: The amount of sodium sulfate, in mg, found in the bottled water follows a normal  distribution with ...

A: Let X be the random variable from normal distribution with mean (μ) = 13 mg and standard deviation (...

Q: Consider an urn with K balls, some of which are white and some are black. At each stage, a fair coin...

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Q: A jar contains green wrapped candies and yellow wrapped candies.  A person selects two wrapped candi...

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Q: A group of 65 students was surveyed, and it was found that each of the students surveyed liked at le...

A: Given that - A group of 65 students was surveyed, and it was found that each of the students surveye...

Q: For a certain company, the monthly percentages of all shipments received on time over the past 12 mo...

A: b) Three month moving average:  

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval...

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Q: Determine if age is correlated to glucose level of six individuals. Use Pearson r correlation coeffi...

A: Given: Subject age, X Glucose level, Y 33 99 28 67 25 78 43 75 57 88 59 91

Q: Susan, a personal trainer, was interested in whether or not there was a linear relationship between ...

A: Regression equation for best fit line. Y= b0 + b1 *X

Q: Fit a straight line trend by the method of least squares to the following data : Yea Production of T...

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Q: One important criterion used to assess the quality of a quantitative research study is reliability, ...

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Q: Consider the following time series data. Week 1 3 4 Value 19 12 17 10 18 15 Using the naive method (...

A: c.

Q: The ages of patients undergoing a heart surgery in MJPS Hospital are normally distributed with a mea...

A: For the given data mu =43.5 ,s.d =8.5 ,x =40 p(x>40) = ?

Q: Let X ~ Poisson(A) and Y independent. Use probability generating functions to find the distribu- tio...

A: Solution: Let X~Poisson ( λ)  The probability generating function of X is  PX(t)= e-λ(1-t)  If  Y~Po...

Q: An admissions director wants to estimate the mean age of all students enrolled at a college. The est...

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Q: Illustration 15.15. The table below gives the data regarding number of students appearing the pass p...

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Q: X is distributed as a Normal random variable with mean of 80 and a standard deviation of 10 (i.e X~N...

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Q: Given that X is a normal variable whose distribution has a mean 10 and a standard deviation of 2.5, ...

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Q: Determine the point estimate of the population proportion, the margin of error for the following con...

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Q: We are given that there are 20 trials and that the probability of success on a single trial is 0.50....

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Q: Twenty seeds were sown in each of 100 trays and the number of seeds that germinated was recorded: Nu...

A: For the given data Find Mean,Median and Mode

Q: How is this variable quantified? Depression (CES-D) scale (i.e. how do you calculate the variable as...

A: Variables are defined based on name, type, label, and other attributes. In SPSS defining the variabl...

Q: A random sample of size 25 from a normal population has a mean of x-bar = 62.8 and s= 3.55. If you w...

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Q: Mean of 100 observations is found to be 40. If at the time of computation two items are wrongly take...

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Q: The data in the table represent the ages of the winners of an award for the past five years. Use the...

A: For the given data ( c ) construct sampling distribution for the mean

Q: Find the standard deviation, s, of sample data summarized in the frequency distribution table below ...

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Q: B. Classify each sample as simple random, stratified, or cluster. 6. Every 14th customer entering SM...

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

Q: In a statistics class, 10 scores were randomly selected, and the following results were obtained: 74...

A: Solution:1) Arranging Observations in the ascending order, We get :65,66,67,68,71,73,74,77,77,77Here...

Q: Use the method of least squares to fit a straight line trend and estimate the number of salesmen in ...

A: Here Given  Data for number of salesman in different years Now here x=Year s= Number of Salesman Her...

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 31 ...

A: From the provided information, Mean (µ) = 31 Standard deviation (σ) = 8.3 X~N (31, 8.3)

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval...

A: We have given that  Sample size n = 335 Sample proportion p^=53%=0.53

Q: 2. A survey was conducted at a local high school to determine the number of hours that a student stu...

A: As per our guidelines, we have provided answer for first 3 sub-parts only. Please repost other sub-p...

Q: The scores of the students are normally distributed with a mean of 83 and a standard deviation of 2....

A:

Q: Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random vari...

A: Solution : Value x of X Probability -3 0.27 3 0.27 4 0.30 5 0.19 6 0.26 Explanation:...

Q: You run a factory that produces widgets (no, you'll never escape the widgets). Widget diameters are ...

A: According to guidelines we solve only first question when the questions are unrelated .

Q: Calculate geometric mean from the following data: 125 1462 38 7 0.22 0.08 12.75 0.5

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Q: I keep ending up with 76 and 83 and anything after it with a decimal point has been wrong so far. Fo...

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Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 267 days...

A: Solution-: Given: μ=267,σ=15 We find. P(X>312 days)=?  

Q: year-long fitness center study sought to determine if there is a relationship between the amount of ...

A: We know variation = (Correlation coefficient ^2)100 %  

Q: Library patrons in a large metropolitan area were questioned about extending library hours. 43.7% o...

A: Binomial distribution : The probability of obtaining x successes in the n independent trails of Bin...

Q: Anagram puzzles involve sets of scrambled letters that must be rearranged to form words. A standard ...

A: Introduction: It is required to construct an ogive, or a cumulative frequency polygon using the info...

Q: At the a = 0.05 level of significance, the most accurate statement concerning the decision to be %3D...

A: In this case, the level of significance is α = 0.05.