Let X~n ( x; µ‚10) and p(x > 53 ) = 0.45 Find the value of mean.

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A: Solution-: We have given the following table: Class No. Class Intervals Class Boundaries Lower…

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Q: average marks obta follows Section Average marks No. of students Find combined mean. by the students…

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Q: What is the class mark of the Median Class?

A: The question is about grouped frequency dist. Given :

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Q: Backward Elimination of Terms Candidate terms: x1, x2, x3 Constant x1 x2 x3 S R-sq R-sq(adj)…

A: From the above output we see that, the model is, Y= 47.2-9.74*X1+0.428*X2+18.24*X3  Here, p-value…

Q: The data below is 10 observations of Math SAT scores (x) and scores on Math placement test (y).…

A: The provided information is x y xy x2 y2 520 470 244400 270400 220900 560 641 358960 313600…

Q: e) Margin of Error d) Statistic f) 95% Confidence Interval

A: The provided information is n=270x=178α=0.05The critical value is zc=1.96  (from statistical…

Q: Q2/ is * the arithmetic mean of the data 47 70 87 45 17 33 90 57 72 65 69 35 49 40 10 22 29 70 44 77…

A: Measure of central tendency are used to meausre the average value of all the observations in the…

Q: (note: use mu for mean or average , p for proportion, >= for , <= for , =/ for )   State the null…

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Q: A crop researcher investigated the phenotypes that resulted from crossing two different types of…

A: Formula : degree of freedom = k-1

Q: A random sample of 50 bags of white Cheddar popcorn weighed, on average, 5.35 ounces with a standard…

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Q: 14. What is the answer in (9) in the ANOVA Table? (4 decimal)

A: The ANOVA table is  Source DF Adj SS Adj MS F-value P-value Regression k=3 Adj MS*3…

Q: (a) State the null hypothesis Ho and the alternative hypothesis H₁. Ho :O 0 H₁ :0 (b) Determine the…

A: It is given that  Population proportion, p = 0.75 Sample size, n = 205 Favourable cases, X = 137…

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Q: A consumer product magazine recently ran a story concerning the increasing prices of digital…

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Q: Q5/ The harmonic mean of the frequency distribution is 47 70 87 45 17 33 90 57 72 65 69 35 49 40 10…

A: There are three types of mean, they are arithmetic mean, geometric mean and harmonnic mean. These…

Q: Please answer this question with diagram A philanthropic organization helped a town in Africa dig…

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Q: The second game (shown below) is a repeated game. It represents their behavior in two successive…

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Q: It is believed that at least 60% of the residents in a certain area favor an annexation suit by a…

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Q: . They were asked if they​ "favor or oppose using federal tax dollars to fund medical research using…

A: Given n=483+399=882

Q: What proportion of the variation in y can be explained by the variation in the values of x? Report…

A: Given : X Y 43.8 54.1 41.3 51.2 35.3 60.1 48.1 44.9 42.8 51.8 44.7 50.8 39.4…

Q: The average time in years to get an undergraduate degree in computer science was compared for men…

A: The provided information is The average time in years to get an undergraduate degree in computer…

Q: 1. The table below shows the number of selfies posted online and the score obtained from Science…

A: Given that                   We have to conduct hypothesis testing for the claim that there is…

Q: Let a random sequence x(n) = Bn + A, where A, B are independent Gaussian RVs with zero expected…

A: Given, xn=Bn+A A~N0,σA2 B~N0,σB2 Using linear transformation, it follows that, Bn~N0,n2σB2 Then,…

Q: 4.4 4) The quality control officer at Spaz Cola uses a systematic random sampling method to select…

A: Given Information: A systematic random sampling method was used to select cans of Spaz Cola to…

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Q: The average annual salary of public school teachers who graduated from a certain college is to be…

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Q: The following is data from an experiment. It can be seen that there is a linear trend in the data.…

A: Chi-square test statistic is given by, χ2= Σ(Oi-ei)2/ei Where Oi's are observed frequencies and ei's…

Q: John's grades for his midterm are the following; 85 for Math, 83 for Science, 88 for Filipino, 90…

A: Given problem Given that   John's grades for his midterm are the following : Math - 85 Science -…

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A: Claim : there is correlation between height and weight of all adult women.

Q: Formulate a null hypothesis (Ho) and the alternative hypothesis (H ). Set the level of significance.…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: Salaries of 46 college graduates who took a statistics course in college have a​ mean, x​, of…

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Q: college football players. Height (in inches) 60 to less than 63 63 to less than 66 66 to less than…

A: The given table is Height Frequency 60-63 9 63-66 27 66-69 31 69-72 26 72-75 7

Q: Show complete solution and follow steps in Test of Hypothesis A random sample of 50 bags of white…

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Q: Suppose you want to compute the correlation between overspending behavior and gaming aggression. You…

A: Given Information: Given Variables=1. Overdpending behavior2. Gaming Aggression.r=-5.36

Q: The table below show data that has been collected from different fields from various farms in a…

A: Given grams Vitamin Ccontent in mg 50 9.5 55 12 60 13.9 65 16.3 70 18.1 75 20.3…

Q: With reference to the following data, find the correlation coefficient and the regression equation…

A: The provided information is x y xy x2 y2 91 58 5278 8281 3364 87 63 5481 7569 3969 75 68…

Q: A goodness-of-fit test is designed to deal with multiple categories at once. See Section 6.7 for…

A: Formula : Expected frequency = np

Q: Given the frequency distribution below, compute the group mean: Frequency Class Mark Class Interval…

A: The question is based on a frequency dist. Given :

Q: Given that z is a standard normal random variable, find z for each situation (to 2 decimals). a. The…

A: As per company guidelines I solved exactly three subparts of the question.thank you .

Q: wwwwwwwwwwww 4. We have the temperatures in several cities of Spain: Aviles (11°C), Barcelona…

A: Formula : sample variance :

Q: (No. 1) Given: μ = 48, s = 17, n=25 and x = 65 STATISTICAL TOOL: T-TEST: ONE SAMPLE MEAN Formula:…

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Q: Lesson: Poisson Distribution 1. The marketing manager of a company has noted that she usually…

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Q: A B C

A: a) Population of interest is the population considered in the study, it is the population on which…

Q: Given that z is a standard normal random variable, find z for each situation (to 2 decimals). a. The…

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