A price-weighted index consists of 4 stocks. The stock prices for these four stocks are $12, $34, $50 and $20. What is the price weighted index value of this Index? 34 17 32 29

Q: Determine the regression equation in three different ways (using raw data, deviation data and…

A: Given information:   X Y   22 18   15 16   9 31   7 8   4 2   45 36   19 12   26…

Q: 2. From the following frequency distribution table, calculate the following: a) n (i.e., the size of…

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Q: Claim: The mean systolic blood pressure of all healthy adults is less than than 119 mm Hg. Sample…

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A: It is given that  Sample average, x̅ = 95 Sample size, n = 100 95% confidence interval = ( 92, 98 )

Q: 7.15 Suppose that X₁, X₂, ..., X and Y₁, Y₂,..., Y,, are independent random samples, with the…

A: Given that E(Xi) =µ1 and V(Xi) = σ21 Given that E(Yi) =µ2 and V(Yi) = σ22

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Q: In a survey, 10 people were asked how much they spent on their child's last birthday gift. The…

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Q: 7. Students that are accepted to Harvard University typically have an SAT score of 2100 or higher.…

A: Given: SAT Score: Mean, μ= 1490 Standard deviation,σ = 240

Q: (e) If 4 marbles are randomly selected, what's the probability that at least one is blue?

A: There are 13 red marbles, 12 orange, 6 blue and 7 green marbles are placed in a bag. Sample size, n…

Q: Find the length of the curve r(t) = (t³, ², 3t), 0 ≤ t ≤ 1.

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Q: manufacturer of battery claims that the life of his batteries is approximately normally distributed…

A: Given that.   X~N( μ , ?^2 )   μ=4     , ?=1   Z-score =( x - μ )/?

Q: An One-Way analysis of variance was conducted.  The results of the ANOVA were significant, F(2, 432)…

A: Given Information: One-way ANOVA was conducted and the results were significant. The F-statistic is…

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Q: Which term of the arithmetic sequence 1, 9, 17, 25, It is the th term. Calculator ... is 297?

A: Given that  First term = a1 = 1 , Second term = a2 = 9 nth term = an = 297

Q: Example 9. Present the data given below by rectangle diagram. No. of Students Humanities 2010-11…

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A: 1) From given data we have : Mean μ=2.09% standard deviation, σ=1.32% Sample size, n=32

Q: Two groups, X and Y of freshmen students, 28 in each group are paired for age and score on Form A of…

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Q: A population grows according to an exponential growth model, with Po = 90 and P₁ 162 Complete the…

A: It is given that P0=90 and P1=162.

Q: estimate of the variance of the population was found to be 15.0 From another sample of 14…

A: Given that  n1 = 25 , S12 = 15 , n2 = 14 , S22 = 9.7

Q: In an experiment, 10 trials were done to determine the range of a trajectory. The measurements for…

A: The question is about measures Given :   To find : 1 ) Mean 2 ) Variance  3 ) Std. deviation

Q: randomly select two socks, one at a time. Calculate the following probabilities, writing your answer…

A: Given data,16- white 04-black 10-pink 08-blue ------38-total balls all scores in drawer are loose…

Q: In a newspaper's survey of 447 people, 53.2% said that we should replace passwords with biometric…

A: given data  n = 447 α = 0.10 claim: p = 0.50 from display we have to give answers .

Q: 1. If the blood pressure for a people has group of average of 90 and standard deviation 9, if we…

A: As per our guidelines we are suppose to answer only one question kindly repostthe remaining…

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A: Given, X 0 10 50 100 P(X) 118 19 29 1118

Q: find the probability distribution of X.

A: It is given that  Total television sets = 7 Defective sets = 2

Q: day. Which of the following z-scores represents someone who watches 1.5 hours of TV per day? A) z=…

A: It is given that  Mean, μ = 3 Standard deviation, σ = 0.5 Z-Score, Z = ( X - μ )/σ

Q: 2) A teacher wants to compare two methods of teaching. A lesson assessment was prepared and given…

A: Given information: XA=90XB=87SA=4.1SB=4.1nA=25nB=28

Q: Let X be a random variable such that a. V(3x-3) b. E(3x-3) E(X²) = 58 and V(X) = 40. Compute

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Q: what is the probability that all three are defective? (b) If four items arrive in succession, what…

A: It is given that  P( defective ) = p = 20% = 0.20 Here, we have parameter p = 0.20 and n ( different…

Q: Discrete Probability Distribution There is a 50-50 chance that the queen carries the gene of…

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Q: You flip a biased coin (P(H) = 0.56) until you get a heads. The random variable X records the number…

A: Answer..

Q: a. What type of chart is being used to compare the data? (click to select) Pie Chart Pareto Chart…

A: For the above 2×2 contingency table, clustered bar chart should be used to compare the data.

Q: day supermar are normally distributed with mean and standard deviation of 496.1 and 23.15.…

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Q: Jiang always drinks coffee after arriving at Posvar Hall in the morning, while Marla and Tara…

A: Given information: POnly Jiang=12=0.50PMarla and Jiang=14=0.25PJiang and Tara=38=0.375

Q: mine the UCL and LCL for a X chart. (Roun

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: Find the critical value Zα/2 that corresponds to the given confidence level. 98% Za/2= (Round to two…

A: Ans#- Find the critical value  zα2  that corresponds to the given confidence level 98%

Q: p and q are unknown. me nearest integer.) 25% of adults can wiggle their ears. me nearest integer.)…

A: Given that  Margin of error =E=3% E=0.03

Q: Suppose that a random sample X is given by a probability density function 2 {/² B - ·(B2), 0<x<ß…

A:

Q: You may need to use the appropriate appendix table or technology to answer this question. The makers…

A: The given sample size is 52, sample mean is 24 and sample standard deviation is 5.

Q: with If weekly accidents at certain crossing follows Poisson distribution parameter 1 = 4, if we…

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Q: Determine the regression equation in three different ways (using raw data, deviation data and…

A: Let y = a+bx be the regression equation Y is the dependent variable and x is the independent…

Q: The PDF of a random variable X is given by ƒx (x) = 4x (9 — x²)/81, 0≤x≤3. Find the mean, variance…

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Q: 1. Over the years, the mean IQ of freshmen applicants in a university in a province has been…

A: It is given that Sample size n = 85 Sample mean M = 94 Sample SD s = 10 Level of significance = 5% =…

Q: . For the following sample of scores, calculate the following: ) n (i.e., the size of the sample) Β)…

A: Hint:  Mean  =∑fxn Median = median is a value corresponding to just greater than (N/2) in cumulative…

Q: briefly discuss a method of data analysis

A: The method of Data Analysis is as follows

Q: A sample of 100 provided a sample mean of 77.5. The population standard deviation is known to be 15.…

A: It is given that  Population mean, μ = 80 Sample mean, x̄ = 77.5 Population standard deviation, σ =…

Q: Aquarius health club, one of the largest and most popular cross-fit gyms in the country has been…

A: The given data set is dependent sample. The program is considered successful if the candidate is…

Q: 2. Researchers studying anthropometry collected various body and skeletal measurements for 507…

A: Given that We have to find the best variability:

Q: 00 0.37 _00 3.20 _15 0.57 -87 1.98 .84 0.995 0.36 2.00 2.00 3.51 2.00 1.70 0.64 0.80 1.78 2.70 0.44…

A: The data is as follows 0.425 1.339 0.6 0.17 0.45 1.53 2.52 2 0.37 0.36 1.7 0.44 0.62 0.6 2…

Q: (1)Considering all possible combinations of bids, formulate the payoff matrix for the game. (2)…

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