2. Throughout the state of Kansas, there are approximately 4 potholes per 100 miles of highway. If the number of potholes per 100 miles followed a Poisson distribution, what would the variance of the distribution be? 4 100 16

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Q: A manufacturer produces 54-pound lifting weights. The lowest actual weight is 40 pounds, and the…

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Q: 1. If we have 1000 scores, normally distributed with a mean of 92 and an SD of 7, how many would be…

A: GivenMean(μ)=92standard deviation(σ)=7

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Q: Suppose 40% of all college students have a computer at home and a sample of 100 students is taken.…

A: Given, N= 100 P= 0.40

Q: Find the sample variance of the following data points. 6 10 11 15 10 [Keep 2 decimal places rounding…

A: GIVEN DATA POINTS : 6 , 10 , 11 , 15 , 10   TO FIND : VARIANCE OF DATA POINTS = ?

Q: What is the correct H0?

A:

Q: In an analysis of variance, if SSb/t = 20 and MSb/t = 10, then there were _____ levels.

A: Given : SSB/t = 20 Msb/t = 10 here, K -1 = t ( given)  where K is the number of levels.

Q: D what is the variance hr tece following setof scoms? Scones;4,17

A: From the provided information, The scores are as follow: 4, 1, 7

Q: If the readings are 23 4 the variance is-----

A: The question is based on descriptive statistics Given data : 2, 3 and 4

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A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…

Q: What is the pooled variance for the following two samples? Sample 1:n - 8 and SS 168 Sample 2:n = 6…

A: Hello! As you have posted 2 different questions, we are answering the first question . In case you…

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Q: a pollster finds that people are either strongly prochoice or are strongly opposed. Which of these…

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Q: distribution of people by political party in California has changed since the year 2000.  Let’s say…

A: Solution Given the distribution is such that  political party in the following proportions: 42%…

Q: 24. If an analysis of variance is used for the following data, what would be the effect of changing…

A: 24. The formula for sum of squares within(Error) is SSwithin=∑SSi. When the value of SS2 changing…

Q: The ages (in years) of a random sample of shoppers at a gaming store are given below: 12 21 23 15 20…

A: Observation: XX X^2X2 1 12 144 2 21 441 3 23 529 4 15 225 5 20 400 6 16 256 7 19 361…

Q: 1. Determine the variance of the following 10 sample data: 10,12,9,18, 14,16,14,18,19 and 20

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Q: In the formula for an analysis of variance, we want between-group variance to be and within group…

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Q: If a sample of 362 customers is taken from a population of 5530 customers, the sample variance, s,…

A: Solution -Given that  Sample size n=362 Population size N=5530

Q: Find the variance for the population consisting of the measurements ½, ¼, 1/3, ½, and 1/8 by using…

A: The population mean is, μ=∑XN=12+6+8+12+35=415=8.2 The population mean is 8.2.

Q: ,000 Populati

A: Lower dispersion is considered better than higher dispersion because higher dispersion means that…

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Q: 3 4 2 5 4 5 5 7 7 8 5 6 8 6. 7 2 2 5 8 0 6 7 8

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Q: 4. The following are the data on sales (in thousand Pesos) over a fixed period of time from a random…

A: Following are the explanation of the question.

Q: Question: 2. In order to determine the average weight of carry-on luggage by passengers in airp…

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Q: Suppose that we will take a random sample of size n from a population having mean µ and standard…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: For a sample of 12 offenders convicted of weapons violations, the length of prison sentence in…

A: Solution-: Given data: 6,6,2,12,17,48,60,24,20,20,18,15 What is the shape of this given…

Q: What is the pooled variance for the following two samples? Sample1: n = 8 and SS = 168: sample 2: n…

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Q: 2. Compute and interpret the sample correlation for the following dataset. Yi 4 50 11 40 3 60 16 30

A: The given data are  xi yi xi*yi xi2 yi2 4 50 200 16 2500 11 40 440 121 1600 3 60 180 9 3600…

Q: If two samples have the same n, then the pooled variance will be the average of the two sample…

A: Statement: " If two samples have the same n, then the pooled variance will be the average of the two…

Q: Gasoline prices (per litre) for the last five weeks were P50.95, P51.25, P52.50 P49.30 and P51.70.…

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Q: Suppose that the number of classes and the class width of a certain distribution is 8 and 3.5,…

A: Given,number of classes=8 class width=3.5largest data value=35

Q: (D) If the population has a bell-shape distribution, what proportion of observations are smaller…

A: We have given that,  Let X be a random variable from bell-shape distribution (Normal distribution)…

Q: The following are the shoe sizes (inches) of 20 female students in SMU Senior High School: 6.4 7 8.1…

A: Given that  Let Xi denotes the shoes size of 20 females :  Xi:  5, 6.4, 7, 8.1, 5.8, 7.5, 9, 8.5,…

Q: Consider all samples of size 2 from this population. 9 8 10 12 14 15 1. Lists all samples and…

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Q: 2) A researcher is interesting in studying if male smokers and female smokers smoke a different…

A: a) Since, we have two samples and they are different from each other hence we shall do a two sample…

Q: One sample has n=7 and SS=35 and a second sample has n =17 and SS =45. What is the pooled variance…

A: Given information: The two sample statistics is given as, Sample 1 n1=7SS1 = 35 Sample 2 n2 = 17SS2…

Q: The number of regular season wins for 10 college football teams in a given season are given below:…

A: x x2 2 4 10 100 15 225 5 25 13 169 10 100 15 225 9 81 7 49 4 16 --- ---…

Q: Suppose that we will take a random sample of size n from a population having mean µ and standard…

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Q: In testing a certain kind or truck tire over rugged terrain, it is found that 40% of the trucks fail…

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Q: 10. Given the following frequency table, the sample Variance (S') is 12 3 4 12 13 15 10

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Q: Two samples of scores on a survey are as follows: Sample A: 107 6 8| 7 |9 Sample B: 18 310|112 7 27.…

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Q: If a population has a mean of 16.7, what is the mean of the sampling distribution?   A. less than…

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Q: 20. Which of the following data show most likely the smallest possible variance or variability? A.…

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Q: Suppose that we will take a random sample of size n from a population having mean µ and standard…

A: It is given that, Population mean,µ = 3 Population standard, σ = .6 Sample size, n = 8 According to…

Q: What is the sample variance and estimated standard error for a sample of n = 25 scores with SS =…

A: The random variable X follows normal distribution. We have to find the sample variance and standard…