Example 3.1 Two samples of sizes 9 and 8 give the sum of squares of deviations from their respective means as 160 inches square and 91 inches square respectively. Test the hypothesis that the variances of the two populations from which the samples are drawn are equal at 10% level of significance.

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A: Given,mean(μ)=100standard deviation(σ)=15

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Q: Here is a POPULATION of scores: 4 2 3 2 1 29. What is the variance for this population of scores? (S...

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Q: Data set: 13,7,7,15,10,9,12 1. Compute the following: (SHOW YOUR SOLUTION) N Σαι-5 (X i – 5) Σχ2 (EX...

A: Given data set is 13,7,7,15,10,9,12

Q: Take the following scores from an interval scale and create a frequency table with all appropriate c...

A: Solution-: Given data: 5, 4, 9, 6, 7, 9, 8, 10, 11, 8, 10, 13, 11, 11, 11, 5, 6, 8, 10, 11  We find ...

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Q: ind the probability that the supply will be accepted entirely.

A: Here Given Total Number of USB drives=250 Number of Defective drives=15 Number of Non defective driv...

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Q: Recently, 18.3% of visitors to the Travelocity website hailed from the Google search engine. A rando...

A: It is given that Sample size n = 130 Population proportion p = 18.3% = 0.183

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Q: Determine whether the following statement is true or false. The shape of the distribution shown is b...

A: Solution-: The shape of the distribution shown in given graph is best classified as uniform. True or...

Q: An agent for a residential real estate company in a suburb located outside a major city has the busi...

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Q: The test scores of a physics class with 800 students are distributed normally with a mean of 75 and ...

A: Given: Number of students=800 Test score is normally distributed with mean,μ =75sd,σ=7

Q: Find the variance, skewness and kurtosis of the following distribution by the method of moments: Cla...

A: Class Interval Frequency 0 - 10 1 10 - 20 4 20 - 30 3 30 - 40 2

Q: What is the simple interest on ₱12,500 at 8% for 9 months?

A: Formula for simple interest is as follows : I = P×R×T Where , P  is principal amount. R is Interest ...

Q: Describe the shape, center, and spread of this distribution.

A: The Mean is  Mean =∑i=1nxin=56.0216=3.5012   The median is  Median=value of (n2) observation +value ...

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 8|7 9 Sample B: 183 10|1|12 7 26....

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Q: Theorem 5.6 (d) Distribution of the Quotient of Two Random Variables. If X and Y are independent con...

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Q: Fred recieved an SATV (SAT verbal) score of 610. For SATV scores we know u=500 and o=100 and that th...

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Q: For the given data set: [5.1, 7.3, 7.5, 7.2, 7.4, and 7.1] Determine the outlier using Grubbs test. ...

A: The given values are: x : 5.1, 7.3, 7.5, 7.2, 7.4, 7.1

Q: A research team is assessing the effectiveness of an afterschool program on math scores. 50 children...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts(mean, median...

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Q: Use this information to answer #19 - #23: A sample of 10 Psychology students at UNCP students were a...

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Q: Activity Proper: Activity No. 1 - Present It Directions: Below are sets of data. Present it in the m...

A: The appropriate way to represent the number of available cell phones in households should be in such...

Q: This table gives approximate probabilities for scoring 0, 1, 2, 3, or 4 runs in one inning of Major ...

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Q: Find the probability. A spinner has an equal chance of landing on each of its seven numbered regions...

A: The probability of an event is calculated by dividing the favorable number of outcomes by the total ...

Q: Find the value of p from the table above. ii. Calculate the probability that at X is at least 5.  ii...

A: To find the value of p we will use the fact that sum of probabilities of possible outcomes is always...

Q: 2. vo dice are tossed 65 times and the sums of the numbers are corded in the table. Draw a bar graph...

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Q: Let X and Y are two random variables with p.d.f given by Rx,y) = 10 [4xy, 0Sx<1 otherwise and their ...

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Q: a. what would viviana's z-score be if she scored 41? b. what would Kwame's score be if he scored 21...

A: Given : sample mean=x̄ = 25 standard deviation=s= 8

Q: The graduate record examination is a standardized test that students usually take before entering gr...

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Q: Assume ZZ follows the standard Normal distribution, and suppose P(Zz∗)=0.02P(Zz∗)=0.02. Use 2 decima...

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Q: 2.17 Global warming: A research poll asked 1297 Americans "From what you've read and heard, is there...

A: Note: Hi! Thank you for the question. As you have posted multiple sub-parts, according to our policy...

Q: give at least 2 examples each of the different levels of measurement *nominal *interval *ratio *ordi...

A: Here we have to give two example of nominal ,interval ,ratio and ordinal

Q: At a drug rehab center 34% experience depression and 29% experience weight gain. 16% experience both...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: The probability that a contractor will get a plumbing contract, is 2/3 and the probability that he w...

A: Given,P(get a plumbing contract)=23P(get an electric contract)=1-59=49P(get plumbing OR electric con...

Q: Height of the fathers and sons are given below. Find the height or tne sun when the neight of father...

A: Let Height of father be X  Height of sons be Y  Data given  X: 71,68,66,67,70,71,70,73,72,65,66 Y: 6...

Q: Consider the Standard Normal distribution. The mean is always _____ and the standard deviation is al...

A: We have given that,  Consider the Standard Normal distribution. The mean is always _____ and the sta...

Q: The probability that the selected subject is someone 60 and over who responded is (Round to three de...

A: Given:   Age     18-21 22-29 30-39 40-49 50-59 60 and over Responded 72 254 244 135 137 201 ...

Q: #6. In a survey, 10 people were asked how much they spent on their child's last birthday gift. The r...

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Q: Example 10.29 Find the quartiles of the Normal distribution having mean 60 and S.D 10.

A: Given,mean(μ)=60standard deviation(σ)=10

Q: 6. A cooperative manager claims that the average daily income of the cooperative is P30,000 with sta...

A: One sample t test : The one-sample t-test may be a applied math hypothesis take a look at accustomed...

Q: A Model Examination was conducted to XII Standard students in the subject of Statistics. A District ...

A: Hypothesis test are of two types, they are parametric and non parametric test. Hypothesis test are u...

Q: Develop a linear regression model, where Y is the Final Grade Course and X is the Mid-Term Exam. Cal...

A: Enter the data in excel sheet -&gt; Go to Data -&gt; Select Data Analysis -&gt; Select Regression -&...

Q: I need to verify the steps for this and see if there is another way to do this problem; please help....

A: Given,sample size(n)=30mean(μ)=$4.59standard deviation(σ)=$0.10

Q: Juanita makes $16 an hour at work. She has to take time off work to purchase her skirt, so each hour...

A: Given, Juanita is deciding whether to buy a skirt that she wants as well as where to buy it. Three s...