Find the missing frequency in the following distribution if N is 100 and Median is Marks : 0-10 10-20 20-30 30-40 40-50 50-60 No. of Students : 10 15 30 10 10

Q: Explain the role of the central limit theorem in SPC

A: Definition of SPC(Statistical Process Control) : It can be described as using statistical strategies...

Q: Find the standard deviation of the observations 5, 11, 18, 25 and 41, using mutual differences betwe...

A: Given: data data values  Xi: 5,11,18,25,41  Then to find standard deviations using mutual difference...

Q: Calculate Price Index for 1995 and 1996 using 1990 as base year from the following data : Commodity ...

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Q: What is the correlation between happiness and health?

A: The SPSS output shows the correlation analysis of happy, health, volunteer, family income, stress an...

Q: The estimated standard error is a measure of central tendency

A: The estimated standard error is a measure of central tendency :

Q: Situation 3: Professor Rojas wanted to find out if his students' vocabulary skills correlate signifi...

A: Note: Since we only answer up to  3 sub-parts, we'll answer the first 3. Please resubmit the questio...

Q: Find Co-efficient of correlation from following results. N = 10, Mean x = 5, Mean y = 7 and sun of f...

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Q: In a small town of 2535 people, 1859 consider themselves "conservative" on the political spectrum. W...

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Q: The average marks obtained in the annual examination is 65 with the S.D. of 10. The top 5% of the st...

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Q: The mean height of 50 students of a college is 5'-8". The height of 30 of these is given in the freq...

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Q: In a survey of 83 people, 23 consider themselves republicans, 21 consider themselves democrats. The ...

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Q: question Initially, there were 9 workers, all being paid a uniform wage. Later, 10th worker is added...

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Q: 12. This non probability sampling is a variation of stratified sampling, wherein samples are collect...

A: Ans#12- This non probability sampling is a variation of stratified sampling, wherein samples are col...

Q: In a survey, 17 people were asked how much they spent on their child's last birthday gift. The resul...

A: Givensample size(n)=17sample mean(x)=42standard deviation(s)=4confidence interval=99%

Q: Sewage and Industrial pollutants dumped into a body of water can reduce the dissolved oxygen concent...

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Q: omf of the amount of memory X (GB) in a purchased flash drive is given as the following. 1 2 4 8 16 ...

A: We have given that Probability mass function.  X 1 2 4 8 16 P(x) 0.05 0.15 0.25 0.30 0.25 I ...

Q: Assume a symmetric distribution with mean 78, and SD, s = 12 Identify if each of the following are ...

A: Given that  Assume a symmetric distribution with mean 78, and SD, s = 12

Q: Derive that the lower bound of one-sided confidence interval is L = 0 – CaSE[@].

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Q: A car plant produces about one hundred cars per day independently of any other day with probabilitie...

A: A Markov chain is a process X t : t ≥ 0 that satisfies the Markov's property. Here, X t is the state...

Q: Situation 1. To find out the effectiveness of a Strategic Intervention Material, Mrs. Lunes conducte...

A: Given information: Student Pretest Post test 1 32 35 2 25 30 3 18 29 4 33 33 5 25 23 ...

Q: Calculate mean from the following series and apply the iers accuracy check. Class Interval Frequency...

A: We know that  Mean = sum of all observations/total number of observations 

Q: (c) What is the probability that none of the five have written an editorial letter while under the i...

A: Given that  n=5 , p=32%=0.32 , q=1-p=2-0.32=0.68 X~Binomial(n=5,p=0.32) X=Number of written an edito...

Q: Derive the equation of linear function for the following data b e method of least squares. X Y 5 10 ...

A: We have given that data I want to find  Regression equation.  m= SSXY/SSXX n= Y- + X-m equation line...

Q: (c) What is the probability that none of the five have written an editorial letter while under the i...

A: Given that  n=5 , p=32%=0.32 , q=1-p=1-0.32=0.68 X~Binomial(n=5,p=0.32) X=Number of written an edito...

Q: Example 2-2. Calculate the mean for the following frequency distribution : Class interval : 0-8 8–16...

A: Given data : Class Frequency 0 - 8 8 8 - 16 7 16 - 24 16 24 - 32 24 32 - 40 15 40 - 4...

Q: A particular forecasting model was used to forecast a six-month period. Here are the forecasts and a...

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Q: a) Compute the probability that two randomly selected chips are defective using conditional probabil...

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Q: Which of the following is used to illustrate the “best guess” as to the predicted Y variable score b...

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Q: Let X represent the full length of a certain species of newt. Assume that X has a normal probability...

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Q: Suppose ​p(t)=−0.39t3+106t2+7035t+90,000 is the population of a city t years after 1991.   a. Determ...

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Q: Sarah is conducting a correlation analysis.  She creates a correlation matrix with 5 variables, usin...

A: We can calculate critical value of correlation coefficient by t-distribution table.  

Q: For the following data obtain (i) mean, (ii) median, (iii) mean deviation from median, and (iv) the ...

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Q: 15. The shows the number of observations with values greater than the lower class boundary. A. great...

A: Class boundary can be defined as the midpoint of the upper class limit of one class and the lower cl...

Q: Q5. Find the conditional probability Pr(B|A) Prob. Venn Diagram Incomplete Carroll diagram A 0.3 0.1...

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Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget...

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Q: A popular uprising that started on January 25, 2011, in Egypt led to the 2011 Egyptian Revolution. P...

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Q: Given below are two price index series. Splice them on the base 1994 = 100. By what per cent did the...

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Q: .From the following data construct simple average of relatives quantity index number in 1986 with 19...

A: Given  The data is as follows: Commodity  Price in 1985 Price in 1986  A 6 12 B 8 14 C 12 1...

Q: 8. The "time consumed on Facebook on a particular day" is what type of variable? A. qualitative C. d...

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Q: The frequency distribution of weight in grams of mangoes of a given variety is given below. Calculat...

A: Given : Weight in grams  Number of mangoes 410-419 14 420-429 20 430-439 42 440-449 54 ...

Q: b] Instruction: Solve the following problem: Records show that the performance of male college stud...

A: We have given that  Sample size n1= 44 , n2= 36 Level of significance =alpha 

Q: 1. Assume p = 100 and 6 = 16 1.1 What is the probability of selecting at random from the general pop...

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Q: Directions: Analyze the problem below by providing a comprehensive answer from the given question. W...

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Q: Assume that 12 jurors are randomly selected from a population in which 75% of the people are Mexican...

A: The probability distribution of number of Mexican-Americans (X) when 12 juror are selected from the ...

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget...

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Q: Example 9-4. X is a normal variate with mean 30 and S.D. 5. Find the probabilities (i) 26 5.

A:   We have given that.   X~N( μ , ?^2 )   μ =30 , ? =5   Z-score =( x - μ )/?

Q: he manufacturer decides to discard all tablets in the bottom 2.5% of Vitamin C content. a production...

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Q: The birthweight of German Shepherd puppies is normally distributed with mean 509.3g and standard dev...

A: Here is given that mean is 509.3 and standard deviation is 96. We use z - scores for finding interqu...

Q: Computers in Schools Elementary and secondary schools were dassified by the number of computers they...

A: From the provided information, Computers 1-10 11-20 21-50 51-100 100+ Schools 23...

Q: 13. Determine the type of sampling used in the following scenario: A researcher has a list of names ...

A: Given the scenario :- A researcher has a list of names( In alphabetical order) of her respondents an...