If the null and alternative hypotheses are Ho:μ = 45 H: μ + 45 Then the test is

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Q: Q4/ The variance of the frequency distribution is 47 70 87 45 17 33 90 57 72 65 69 35 49 40 10 22 29…

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Q: 3. Given a two-way ANOVA with two levels for factor A, four levels for factor B, and three…

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Q: (No. 1) Given: μ = 48, s = 17, n=25 and x = 65 STATISTICAL TOOL: T-TEST: ONE SAMPLE MEAN Formula:…

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A: Given information: CLASS INTERVAL F 25 to 29 3 30 to 34 2 35 to 39 5 40 to 44 8 45 to…

Q: (Upload the picture of your solutions. Follow the steps in Test of Hypothesis including your…

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Q: 1. Assume that you are working with the results from Problem 11.15, and SSA = 120, SSB = 110, SSE =…

A: Since you have posted more than one question, we are answering the first one for you. if you have…

Q: Given Ha: > 51 and P = 0.056, what decision should be made at the 0.05 level of significance? a.…

A: From the provided information, Ha: µ > 51 The P value = 0.056 Level of significance (α) = 0.05

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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Q: Express the null hypothesis H and the alternative hypothesis Hin notation form in the following…

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Q: Complete the following and construct a 95 percent confidence interval for the population mean μ…

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Q: Which statement about the normal distribution is false? Approximately 68 % of the data lie within 1…

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Q: Needed to be solved part 38and 39 correclty in 30 minutes and get the thumbs up. Please show neat…

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Q: Which is a correct description of the normal distribution? mean> median < mode mean = median = mode…

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Q: 4y +³,0 < x < 1,0 < y <1 F(x, y) = 0, elsewhere a. Verify that f(x, y) is a joint density function.…

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Q: If 4 whole numbers taken at random are multiplied together, show that the chance that the last digit…

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Q: What is the standard divisor when the total population is 120,000 and the representatives needed is…

A: From the provided information, Total population = 120000 Number of objects = 60

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Q: What is the degree of freedom if the sample size is 25. Select the correct response: 25 26 24

A: We have given that,  Sample size (n) = 25 Then,  We will find the degree of freedom (df) = ?

Q: Problem Four: In a dental clinic with one dentist, the average number of patients from time to time…

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Q: What is the class mark of the Median Class?

A: The question is about grouped frequency dist. Given :

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A: We have given,  sample size n =13 sample mean x̄ = 94 sample standard deviation s= 4.65…

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Q: 7. What is the critical value for a right-tailed test with a = 0.025 and a. 0.67 b. 1.96 C. 1.645 d…

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A: Solution-: We have given following table: Class Interval Freq (fi) 10-19 5 20-19 15 30-39 4…

Q: "On the Standford-Binet test, the mean IQ is 100. A class of 6 kindergarten pupils were tested with…

A: Claim : group have a mean significantly different than the norm group.

Q: 15. Find the missing frequency of the following distribution. The mean of the data is 28. Profits…

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Q: If the value of the test statistic is -1.03 and the critical value is ±1.96, what will be your…

A: Given :  the value of the test statistic is-1.03 and the critical value is ±1.96.

Q: 1.The test scores of Biostatistics examination follows a normal distribution with a mean of 60 and a…

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Q: Given the frequency distribution below, compute the group mean: Frequency Class Mark Class Interval…

A: The question is based on a frequency dist. Given :

Q: 3. A manufacturer says the probability of their product being defective is 1%. If your company buys…

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Q: covariance of 0.01 between data set A and data set B indicates:   A strong tendency for B to…

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Q: Suppose the PRF of two-variable regression is represented in the equation (1) Y₁ = b + b₁X₁ + u₁,…

A: Solution: From the given information, the regression equation with estimated coefficients is

Q: Joint probability density function of X and Y is [1/ab 0<x<a fxy(x, y) = = {0 elsewhere and 0<y<b

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Q: Sub part~ d) what is the mean of the population  e)interpretation in APA fo

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Q: Amstat News (December 2004) lists median salaries for associate professors of statistics at research…

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Q: Is it really important to have a very large number of observations for work sampling? Why?

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Q: A 90 percent confidence interval for a population parameter means that if a large number of…

A: A 90% confidence interval for a population parameter means that if a large number of confidence…

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Q: If we have two groups of students studying educational statistics and their scores are as follows:…

A: Given that  If we have two groups of students studying educational statistics and their scores are…