Find the 54th percentile, P54, from the following data 12 14 18 33 40 41 47 43 45 46 54 64 68 76 78 85 68 96 P54 = Submit Question

Q: prove the theorem show that the sample mean is unbiased estimated of the population mean in normal…

A: We have  given the statement about the normal distribution .

Q: (a) Estimate the percentage of workers in Montreal who use public transport to commute to work. Give…

A: Given n=1159 x=254

Q: Use the following ANOVA table for regression to answer the questions. Response: Y Source DF…

A: Given: Response: Y Source DF Sum Sq Mean Sq F-value Pr(>F) Regression 1 351.94 351.94 12.73…

Q: Three different checkpoints in a water distribution system are tested for bacterial contamination.…

A: Given that, Three different checkpoints in a water distribution system are tested for bacterial…

Q: Questions 15-18 use the following information. Suppose in a sample of 5 men that their monthly…

A: Solution: Given information: k= 2 independent variables  n= 5 observation.

Q: 7.96 Caffeine content of coffee. According to a Food and Drug Administration (FDA) study, a cup of…

A:

Q: b. Determine the critical value(s) for the hypothesis test. Round to three decimal plaçes if…

A:

Q: 16% of the squirrels in Cititon Park are gray. What is the probability that, in a random sample of…

A:

Q: The following bivariate data set contains an outlier. x y 33.3 -236 48 2775.5 35.8 113.6 37.2…

A: The independent variable is x. The dependent variable is y. We have to find the correlation…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: . If she wants to make a 95% confidence interval for the mean with the margin of error of 5 cm, at…

A: here from given information , σ = 17 cm MOE = 5cm here Z-critical for 95 % confidence level = 1.96…

Q: 9. Which of the following pair of null and alternative hypotheses is correctly stated? А. Н, : и 3…

A:

Q: Based on the data shown below, calculate the regression line (each value to at least two decimal…

A: Given that    X Y X \cdot YX⋅Y X^2X2 Y^2Y2   1 17.57 17.57 1 308.7049   2 20.04 40.08 4…

Q: Determine the variance, standard deviation and coefficient variation

A: Obtain the value of the standard deviation.   Use EXCEL Procedure for finding the value of standard…

Q: According to a Harvard Health Publishing article, the normal body temperature may be  lower than…

A:

Q: Suppose the parent population X from which we are about to sample is exponential with E(X) = 2. Let…

A: here given , parent population follow exponential distribution with mean = 2 for exponential…

Q: On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of…

A:

Q: Your classmate has been asked to do a research project. She considers investigating the effect of…

A: Given four types of measurement error, which can be arising in regression.

Q: While analyzing a data set, a scientist notices one data value that is 2 IQRS below the first…

A: Given that, A data value that is 2IQR below the first quartile. This value is removed from further…

Q: In a study of cell phone usage and brain hemispheric dominance, an Internet survey was e-mailed to…

A: Given that, In a study of cell phone usage and brain hemispheric dominance, an Internet survey was…

Q: Square the Estimate .890 ,793 ,777 1.17580 ANOVA Sum of df Mean F Sig. Squares Square sion 206.153 3…

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: Here is a bivariate data set. x y 74.8 -4.5 75.6 50.8 59.8 59.2 81.1 10.2 74.3 99.4 101.9 -6.7 49.2…

A:

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A:

Q: What is the Sample Size given standard deviation is 29.4, error is within 6.47, and confidence level…

A:

Q: Suppose the probability is p = 0.4 that a person who purchases an instant lottery ticket wins money,…

A: Given that p =0.4,n=24

Q: A tire manufacturer claims that its tires have a mean life of 40,000 kms. A random sample of 46 of…

A: Given  Population mean μ=40,000 , sample size=n=46,  Sample mean x̄=38000, population standard…

Q: 1. A researcher uses a one-sample t-test to test a sample mean based on 27 scores against a…

A: As per our guidelines we can solve first multiple choice question and rest can be reposted.…

Q: A manufacturer is interested at the output voltage of a power supply for the laptop. Output voltage…

A: In statistical hypothesis testing, a test statistic is a number calculated from the values of the…

Q: Q1: A study is conducted involving ten patients to investigate the relationship and effects of…

A: Correlation coefficient is given by,   Here n= 10  Σy2= 202094 All the values are given so, r=…

Q: Please see below. I only have one attempt at this. I really need help with this.  Does duct tape…

A: Solution-: Does duct tape work better than cryotherapy for removing warts in children and young…

Q: A technician compares repair costs for two types of microwave ovens (type l and type ) He believes…

A: Given information: M1=89.74s1=10.39n1=32M2=83.08s2=11.67n2=49 Consider, sp2=n1-1s12+n2-1s22n1+n2-2…

Q: A polling organization polls n = 500 randomly selected registered voters to estimate the proportion…

A: We have given that n = 500 p = 0.42

Q: A carpet store advertises that they will deliver carpet within12 days of purchase. A sample of 49…

A: 1) given that ; u = 12 days  ? =  4.6 days  X- = 13.2 days  By using one sample mean test we solve…

Q: II. Explain which of the following constitute a population and which constitute a sample. The…

A: Population: A population is the pool of individuals from which a statistical sample is drawn for a…

Q: What is the probability of randomly selecting someone who is Student and has a Y? w Y Totals Student…

A: Given that    W Y Total Students  17 22 39 Professor  23 28 51 Total 40 50 90

Q: Group Statistics Std. Error Mean Std. Мean Neighbourhood Trips A Deviation N 7 22.29 7 43.29 16.760…

A: NOTE: As per the guidelines, we are supposed to solve the first question only. Please repost other…

Q: Heights for group of people normally distributed with mean = 65 inches and standard deviation = 2.5…

A:

Q: A leading magazine (like Barron's) reported at one time that the average number of weeks an…

A: It is given that the mean is 27 and the standard deviation is 3.9.

Q: 2.890 A consumer buying cooperative tested the effective heating area of 20 different electric space…

A: The independent variable is Wattage. The dependent variable is Area. We have to do correlation and…

Q: We know that the wage distribution in the US is not normally distributed. It is closer to a pareto…

A:

Q: Which of the following statements meet the standards of appropriate falsifiable hypothesis for an…

A:

Q: 10. Let (1, 12, ., In) denote a random sample from the exponential distribution with parameter A.…

A: Given x1, x2, . . ., xn be random sample from the exponential distribution with parameter λ.

Q: Model R Square Adjusted R Square R. Std. Error of the Estimate .890 .783 .777 1.17580 ANOVA lodel…

A: Solution: Given information: k= 3 independent variable.  n= 43 observation.

Q: able for use in a variety of busin ls for the new radio are as follows:

A: In the given case study, SolRad Communications creates solar-powered, portable radio systems that…

Q: Find the minimum variance portfolio with expected rate of return of 8% using five assets with…

A: Solution: 12. From the given information, the minimum variance portfolio with expected rate of…

Q: 3. Many health insurers will reimburse their clients for claims on the basis of a schedule of…

A: Frequency distribution of the given data is    4500  4850 5250 5200 4600 4950 4600 4600 4900 4600…

Q: A hydrologist is interested in studying the influence of rainfall on runoff in a drainage basin.…

A: Test is to determine the influence of rainfall on runoff in a drainage basin. Note : Since you have…

Q: The number of reviews for each of the local restaurants is counted. The results are normally…

A:

Q: Illu. 15: On 31st December, 1999, Aditya Traders Ltd., showed in their account the following…

A: