Compute the standard deviation of the distribution.

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Q: question 6

A: Given

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Q: Test for the significance of the intercept and the slope using t-test with a=0.05.

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Q: Reliability is the degree to which a test is consistent and stable in measuring what it is intended…

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Q: Two-Way Classification Designs An experiment was designed to test the effects of five levels of…

A: 1. From the given information,   L1 L2 L3 L4 L5 P1 63.3 55.8 62.9 63.8 70.9 P2 62.3 68.7…

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A: Given that  Sample size n =7 98% confidence interval.  Degree of freedom =df = n-1

Q: A population of values has an unknown distribution with u = random sample of size n = 233. 145.4 and…

A: Given that Sample size n =233  Population mean μ=145.4 Population  standard deviation ?=32.4

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A: Given data: Class boundaries Frequency 6.5 - 12.5 3 12.5 - 18.5 6 18.5 - 24.5 5 24.5 -…

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Q: Illustration 12.23. The number (in hundreds) of letter posted in a certain city on each day in a…

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Q: After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired…

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Q: Suppose I want to know if violent video games cause young people to behave aggressively. Answer what…

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Q: If all the class frequencies are positive then the data is said to be ______ Answer from the below…

A: If all the class frequencies are positive then the data is said to be ______ Answer from the below…

Q: The following figures are the production data of a sugar factory. Year : 1988 | 1989 1990 1991 1992…

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Q: You want to determine the effect of earthquakes on the economy. You have a sample of 15 cities in…

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Q: Answer the problems completely. Round off your answers up to four decimal places, with correct units…

A: Given: Days Index 91 16.7 105 17.1 106 18.2 108 18.1 88 17.2 91 18.2 58 16 82…

Q: A normally distributed population has a mean of 1,214 and a standard deviation of 122. (a) Find the…

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Q: a. Using the pairs of values for all 10 points, find the equation of the regression line. b. After…

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Q: ow much will person pay for 4.5 pounds of bananas at a price of 2.29 per pound?

A: Given data, One pound of banana costs 2.29 How much will person pay for 4.5 pounds of bananas?

Q: 3. A packaging system fills boxes to an average weight of 15 ounces with a standard deviation of 0.5…

A: Given  Population mean μ=15, standard deviations σ=0.5

Q: Let X1, X2, X3… X20 be a random sample from a distribution with mean 8 and variance 5. Find the mean…

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Q: proof that EX3 : PlooR For general n, we have n!f(x1)f(x2)·…· ƒ(In) which holds for 1 <x2 < < In…

A: For general n, we have to prove that: fX(1),X(2),.....X(n)(x1,x2,....xn) =n!f(x1)f(x2).....f(xn)…

Q: A sample of 126 was found to have a standard deviation of 5.9. An interval estimate for ?μ based on…

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Q: TInterval Refer to the accompanying data display that results from a simple random sample of times…

A: The random variable X follows normal distribution. We have to write the confidence interval, point…

Q: 1. In an attempt to assess the effect of the length of time spent in using social media to the…

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Q: Two researchers studied the relationship of positive emotions and longevity by examining smile…

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Q: Obtain the exponential trend equation and the trend values for the following data. 1992 1993 1994…

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Q: a- Calculate the coefficient of determination for the results given in Table b- explain meaning of…

A: It is given that ∑x = 141, ∑y = 106, ∑x2 = 2085, ∑y2 = 1408, and  ∑xy = 1351

Q: 2) A 95% confidence interval estimate for a population mean µ is (23, 45). Which of the following is…

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Q: Sugar Consumption A researcher is interested in investigating the relationship between sugar…

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Q: Suppose the mean amount of cholesterol in eggs labeled “large” is 186  milligrams, with standard…

A: Given that  μ = 186 , ? = 7 , n = 144

Q: A student scored 70 on a physics exam where the class mean is 60 and a SD of 9. He scored 60 on a…

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Q: Calculate the SEM (standard error of the mean) for the following data: a. Population standard…

A: We have  given that, Population standard deviation (σ) = 15 and sample size (n) = 25 Then,  We will…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Introduction: It is required to find the probability of getting an order that is not accurate.

Q: Why would a researcher choose to conduct an One-Way ANOVA rather than multiple independent samples…

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Q: Print Expert, Inc. purchases plastic cups on which to print logos for sporting events, proms,…

A: It is given that n=300 and x=15.

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