Report the benchmarks for small, medium and large effect sizes in the and specify which one you chose). Effect size chosen: (d or r)

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A: given data  5 true false questions P(correct guess) = p1 = 125 mcq questions with 4 choices…

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A: Given: Stock is normally distributed  Mean=4.5% Standard deviation =4%

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A:

Q: x-μo -=−1.52 and a one-sample t test is s/√√n performed based on seven subjects. What is the…

A: 7.6) The number of subjects (n) is 7 and the test statistic is -1.52.

Q: Assume you have an Exponential Distribution with parameter of 0.15 Find P(x < 6) round to the…

A: exponential distribution λ = 0.15P(x&gt;X) = e-λxP(x&lt;X) =1- e-λx P(x&lt;6)= ?

Q: The mean SAT score in mathematics is 528. The standard deviation of these scores is 48. A special…

A: The sample size is 90, sample mean is 532, population mean is 528, and population standard deviation…

Q: (d) Would it be unusual if more than 9 of them enroll in college? Use a cutoff of 0.05. It (Choose…

A: given data P(enroll in college) = p  = 0.70sampke size n = 15x = no. of students enroll in…

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A: A score is said to be better than another if it has a z-score higher than other.

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A:

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A: According to the given information in this question We need to answer three subparts

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A: Hello! As you have posted 3 different activities, we are answering the first question. In case you…

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A: Given that,  A random sample of 250 human body temperatures had a mean of 98.15 and a standard…

Q: Assume the critical value on the right side of a Z distribution was 1.96. A researcher received a…

A: given data  right tailed test  Zc = 1.96 test statistic Z = 2.5 we have to make decision about null…

Q: The Graduate Record Examinations (GREs) are widely used to help predict the performance of…

A: From the provided information, Mean (µ) = 694 Standard deviation (σ) = 112 X~N (694, 112)

Q: Here are summary statistics for randomly selected weights of newborn girls: n = 226, x= 30.5 hg, s=…

A: Solution-: Given: x¯=30.5,n=226,s=7.1,c=0.95 We want to find 95% C.I. of the estimate of the mean…

Q: What is the probability a randomly selected student's score is between 402 and 509.92?

A: It is given that  Mean, μ = 438 Standard deviation, σ = 58 Z-Score, Z = ( X - μ )/σ

Q: 3. A researcher claims that the distribution of favorite pizza toppings among teenagers is as shown…

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A: given data f(x) = 0.00230find length of interval uniform distribution x~U(a.b)  length of interval…

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A: The data shows the radiation levels.

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A: Givensample size(n)=38Mean(x)=3.6standard deviation(s)=2significance level(α)=0.05

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A: Claim: the mean monthly rent on the east side, μ is less than $700. Hypotheses: H0: μ=700H1:…

Q: A tornado recently swept through central Oklahoma, causing millions of dollars of damage. Because of…

A: It is given that Sample size n = 34 Sample mean = 23750 Sample SD s = 2400 Level of significance =…

Q: The weights of a certain brand of candies are normally distributed with a mean weight of 0.8611 g…

A: given data,normal distribution,μ=0.8611σ=0.0512n=455p(x&gt;0.8536)=?

Q: When a statistic is used to estimate a parameter, it is referred to as an _________

A: The question is about inference Introduction : Statistic is quantity which is found using a sample…

Q: 14 men and 13 women chose "Drama". Construct a two-way frequency table for the data. Choose one v…

A: It is given that each of 50 moviegoers was asked, “ What is your favourite movie type ?”

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A: Given that, Agriculture (USDA), cartons of 12 large eggs should have a minimum weight of 24 oz;…

Q: True or false: The expected value of the sample proportion P is equal to the population proportion;…

A: Solution-: True/False The expected value of the sample proportion is equal to the population…

Q: Wildlife conservationists studying grizzly bears in the United States found that the mean weight of…

A: given data n = 24x¯ = 600s = 8395% ci for μ.

Q: A tire company makes tires that have a normal distribution with a mean of 65,000 miles with a…

A: Given that Mean= 65000 and standard deviation= 3000

Q: The average home price in Massachusetts is $410,000, with a standard deviation of $65,000. A city…

A: The question is about normal distribution Given : Popl. avg. home price ( μ ) = $410,000 Popl. std.…

Q: For each of the following hypotheses, identify which statistical test we could run in order to…

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted...…

Q: 12 15 Let S(t) be the retails sales in billions of dollars in t years since 1995. A linear model for…

A: The given linear model is Ft=9.44t+84.182.

Q: How would you then interpret this question based on the findings?

A: The average graduate student takes 12 psychology courses as an undergraduate. μ =12 Dr. Jekyll…

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A: To find Z-score in R, we use the following process:  first define the variable X  X&lt;-c(…..) Find…

Q: advertise that they will offer you 100 pounds of free topsoil if it takes their pumpkins more than a…

A: It is given that  Mean, μ = 106 Standard deviation, σ = 5 Z-Score, Z = ( X - μ )/σ

Q: A sample of 50 luxury hotels in the Northeast had an average room rate of $325 per night and a…

A: From the provided information, Sample size (n) = 50 Sample mean (x̄) = 325 Sample standard deviation…

Q: efore beginning a study investigating the ability of the drug heparin to prevent…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 9 frot quartile s 5 Third Quartile Q3 Variace Sq

A: Given the frequency distribution to find the first and third quartile and variance.

Q: Suppose that x has a distribution with μ=9 and o=4 and it is not normally distributed (bell shaped).…

A: According to tje CLT , for larger n(&gt;30) , sampling distribution of sample mean approximately…

Q: A Uniform Distribution U(a, 16.8) has probability Density Function f(x) = 0.030 when its not equal…

A: From the provided information, X~U (a, 16.8) U (a, 16.8) has probability density function f(x) =…

Q: Fill in the P (X=x) values to give a legitimate probability distribution for the discrete random…

A: To be a legitimate probability distribution,  there must be two conditions to satisfy  1.…

Q: 14. Carnival A carnival game offers a $100 cash prize for anyone who can break a balloon by throwing…

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Q: Question 4 A farmer supplies 500 bundles of long bean to a hotel every week. He claims that each…

A: 4. The sample size is 50 and sample mean is 18.

Q: R2.51 Penguins again In Chapter 8 we learned about the extra- ordinary depth and duration of the…

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Q: 6.103 Gibbon Song Duration. A preliminary behavioral study of the Jingdong black gibbon, a primate…

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Q: 68% of the actors win the Oscar between the ages of ____ and ____.

A: Solution: Let X be the  ages for all Oscar winning actors at the time they receive the award is…

Q: Of the 1000 comparison school students in the sample, 290 had overslept and been late to class at…

A: Given two samples, sample 1 about comparison school students and sample 2, policy change school…