V. EV Variance standard deviation of 18kls. Suppose that the distribution of weights is not normal Find the following: tchl A. Write the given. B. Identify what theorem to use. C. Mean and standard deviation of the SDSM

Q: The number of sick days taken (per month) by 200 factory workers is summarized below. Number of…

A: We have given that The number of sick days taken (per month) by 200 factory workers is summarised as…

Q: INDIA COVID-19 Delhi Punjab 1.4m 0.5m O Delhi Uttar Pradesh 1.6m West Bengal Maharashtra 1.2m 5.5m…

A: Prevalence (P) = Cases/No.in population Prevalence of COVID 19 in Punjab= 0.5*100000 = 50000 persons…

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A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 11

A: Given: P[N<4]>0.95

Q: 26. Assume, for a moment, that the "Daily Exercise" data are normally distributed. Using the mean…

A: We have given that  Mean = 65.192 Standard deviation = 19.716 z = (x - μ)/σ

Q: Duncan test: From the following temperatures of five different environments Env. 1 Env. 2 Env. 3…

A: Given Information: Consider the given dataset: Env. 1 Env.2 Env.3 Env.4 Env.5 14.8…

Q: A A sample of 100 Grade 9 students' ages have been obtained to estimate the mean age of all Grade 9…

A: We have given that  Sample mean, x̄ = 16 Population variance ?2 = 16 Sample size n = 100

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Q: PROBLEM SET UNIT Problems Suppose you want to determine if the number of hours studying for an exam…

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

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Q: Complete parts​ (a) through​ (c) using the following data.   Row 1 2 3 4 4 4 5 5 5 5 8   Row 2 95 87…

A: We have given that, Row 1 (X) :- 2 3 4 4 4 5 5 5 5 8 Row 2 (Y) :- 95 87 86 73 99 70 76 90 61 64…

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A: We have give the following data :

Q: Identify the sampling procedure used in each given research titles. Provide justification for your…

A: We should use stratified sampling for this experiment,

Q: economy of cars manufactured in 2012. Use these statistics to calculate a 98% confidence interval…

A: Lower bound=-5.400 Upeer bound =1.670

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A: The question is based on hypo. testing of a popl. mean Given : Randomdly selected bulbs ( n ) = 90…

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Q: A sample of 50 patients undergoing chemotherapy has a mean weight loss of 24 kg after they went the…

A: For the given data Find 99% confidence interval = ?

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A: here use given null and alternative hypothesis and basic of hypothesis testing here population…

Q: Let X = U(4) out of 8 standard ordered uniforms and Y = U(3) out of 8 standard ordere uniforms. 1.…

A: From the given information, X=U(4) out of 8 standard ordered uniform and Y=U(5) out of 8 standard…

Q: A. The value of the test statistic: -2.19 B. The p-value is .1539 C. Your decision for the…

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Q: (a) Let X be the number of times you swim in a given week when you have visited the gym on 4…

A: You go to the ARC gym 4 times a week, each time you visit there is a 0.85 probability that you will…

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A: 1)  when investigator split population into small group we called it as cluster. this sampling…

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Q: 3. Which of following statement is NOT correct about p value? a. if p value=0.02, we could tell…

A: Given p-value = 0.02   Concept of p-value  If p-value > α we fail to reject the null hypothesis…

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Q: A financial analyst is studying how they can reduce credit card debt for their clients. It is known…

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Q: The confidence intervals (CI) (also know as interval estimates) gives a likely" range of values for…

A: Given that the 95% CI for slope coefficient β1 is (-4.9, 10.3). The hypothesis is, H0: β1=0H1: β1≠0…

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Q: Most software allows the questions on an exam to be re-ordred (or shuffled) for each student.…

A: Given: Population of questions available = 100 Number of questions chosen = 10

Q: 30. Construct a 85% confidence interval around the sample mean of the decrease in diastolic pressure…

A: We have given that,  Sample mean = 11.399, Standard deviation= 13.309 and sample size (n) = N = 991

Q: 6) If 6 computers are selected at random, with replacement, find the probability that: Suppose 15…

A: Given that  p=15%=0.15 , q=1-p=1-0.15=0.85 6 computer are selected at random with replacement.…

Q: The mean can also be thought of as the balance point most common point O point of no return O center…

A: Mean: The arithmetic mean (also called the mean) is the most commonly used measure of central…

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Q: Determine the test score of John in Statistics if he has a z-score of 1.9. (SD = 4, mean = 85)

A: Given that in statistics, John has z-score of 1.9 where mean score is 85 and SD is 4. Here, to find…

Q: A population of 2,800 students from a certain region have normally distributed National Examination…

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Q: 8) For a random sample of size 64, find the probability that the sample mean will lie between…

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Q: Suppose you want to determine if the number of hours studying for an exam is associated with the…

A: ( a ) Construct a Scatterplot ( b ) r =? ( c ) Hypothesis test

Q: The table below shows the alcohol consumption per capita for seventeen high-income countries in 2000…

A: NOTE: As per the guidelines, we are supposed to solve the first three sub parts only. Please repost…

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Q: According to the report by the​ government-lending institution, college students who have credit…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 10661066 Population Standard Deviation…

Q: Test Scores of 15 Students: 30 28 29 20 18 20 29 29 30 26 28 19 19 26 29 Find the probability that…

A: Given data is 30,28,29,20,18,20,29,29,30,26,28,19,19,26,29sample size(n)=15

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Q: At a music store in New York​ City, 60 people entering the store were selected at random and were…

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Q: Find the area, to the nearest thousandth, of the standard normal distribution between the given…

A: We have given z - scores.  Z= 0 and Z = 1.4

Q: The test statistic of z = - 2.88 is obtained when testing the claim that p# 0.375. This is a…

A: We have given that Test Statistics z = -2.88 Claim : p ≠ 0.375 (two tailed test) Significance level…

Q: 0 ≤ x < 10     10   10 ≤ x < 20     100   20 ≤ x < 30     220   30 ≤ x < 40     90   The midpoint…

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Q: An instructor at a local community college noted that the grades of his students were normally…

A: The mean is 78 and the standard deviation is 10.