A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 25, 3, 1, 22, and 9 respectively. Using percentages, what are the relative frequencies of the B class? (Express the answer as a percentage rounded to the nearest hundredth.)

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A: From histogram it is given that Statefrequency (Income)Rhode Island 31916Minnesota 34443Florida…

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A: Margin of error, True percentage is between 48.8% and 51.2%Population size is 255,200,373

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A: MeanThe formula for mean is the weighted average of the midpoints, where the weights are the…

Q: 2,500 2,300 2,100 1,900 1,700- 1,500 $1,500 $1,400 $1,300 $1,200 $1,100 $1,000 $900 $800 1 1 2 2 3 3…

A: The term, "loss severity," can apply to any type of insurance loss.Here severity refers to the…

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A: In an Analysis of Variance (ANOVA), when the null hypothesis is true, it means that there is no…

Q: X: 1, 2, 3, 4, 5, 6. Y: 5.46, 7.6, 9.11, 14.3, 18.93, 19.45. Enter your answer in the form y = Ms +…

A: xy15.4627.639.11414.3518.93619.45

Q: Let A={-2, 0, 1, 3, 4), B = {1, 2, 3, 4, ...} and C = {−2,0}. Find A. AUB 1-2.0.1.2.3.4.1 (enter an…

A: According to the given information, we haveSet A, B and C are given.

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A: Sample Space,S : All  Human population.Events :A :Population are male.B : Population are female.C :…

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A: Single, Married, Single, Widowed, Married, Widowed, Engaged, Single, Widowed, Widowed, Married,…

Q: Two candy bowls contain red and green candies. The first bowl contains an even mix of red and green…

A: LetP(B1)=P(B2)=50%=0.50

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A: P(X=x)=p(1−p)x−1;x=1,2,3,...

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A: Given data indicates the number of days on the market for the 36 recent home sales in the city.The…

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A: Interval Estimation for Two SamplesExample 1: Estimating the Average Exam Scores of Two…

Q: Information about a sample is given. Assume that the sampling distribution is symmetric and…

A: r=0.33, se=0.05

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A: Sample : A sample is a small data set that you obtain from a larger set of data to represent a…

Q: Frequency distribution is incorrectly constructed. State the reason(s) why they are wrong. Class…

A: Class frequency9-13      114-19    620-25    226-28    529-32     9 We have to tell the mistake in…

Q: A community college employs 86 full-time faculty members. To gain the faculty's opinions about an…

A: There are 86 full time faculty members in total.The college president wishes to obtain a simple…

Q: 58, 66, 97, 89, 86, 72, 81, 70, 92, 95, 73, 79, 88, 68, 90, 82, 78, 93, 89, 71, 72, 84, 98, 59, 86,…

A: Given data,58, 66, 97, 89, 86, 72, 81, 70, 92, 95, 73, 79, 88, 68, 90, 82, 78, 93, 89, 71, 72, 84,…

Q: The time required to assemble an electronic component is normally distributed, with a mean…

A: Consider the given information:

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A: The F Ratio is an analysis of variance is calculated by dividing the variance between the groups…

Q: If an analysis of variance produces SSbetween treatments = 30 and MSbetween treatments = 10, then…

A: SSbetween=30, MSbetween=10Number of treatment k=4

Q: Below is a sample quantitative data set. 520 675.5 537.8 540.4 628.1 465.2 509.7 457.2 342.6 402.8…

A: The given data is as follows:537.8, 540.4, 628.1, 465.2, 509.7, 399.6, 520, 675.5, 457.2, 342.6,…

Q: a. Is this a frequency histogram or a relative frequency histogram? Relative frequency histogram…

A: The hist. of the data is given below.From the histogram the table can be formed…

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A: Given  seeded and unseeded clouds data. The researchers wanted to know if seeded clouds will produce…

Q: Given the joint density function below, find P(1 <Y<5 | X= 1). 6-x-y 8 f(x,y)= 0<x<2, 2<y<6…

A: Given the joint density function for the random variable X and Y as

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A: The given data is as follows:40, 50, 50, 65, 65, 80, 85, 120, 180, 209, 260, 350, 400, 2000, 2500

Q: f. Report the test statistic. (Give answer to 4 decimal places) g. p-value = (Give answer to 4…

A: BrandDurability…

Q: Construct a stem-and-leaf plot of the test scores 68, 73, 85, 75, 89, 89, 87, 90, 99, 100. How does…

A: For the given observations of scores 68,73,85,75,89,89,87,90,99,100The steam and leaf plot shows the…

Q: Please do not give solution in image format thanku A pizza place offers 4 different toppings. How…

A: A pizza place offers 4 different toppings.

Q: Public health researchers launched a study to assess what particular social behaviors increase the…

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Q: Question 11 An analysis of variances produces dftotal = 29 and dfwithin = 27. For this analysis,…

A: According to the given information, we have

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A: From part (c):Number of hoursMoney earned (in dollars)0101154308501270169020110Money earned = 10+5n,…

Q: 1. Given the following information for some data (r= -.5, 8, 6, 8 = 4, y=9, * = 5). a) Find the…

A: Given we have to find the equation of least square regression line.

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A:

Q: 17. Wall Street securities firms paid out record year-end bonuses of $125,500 per employee for 2005…

A: The question is about hypothesis testing.Given :Population mean year end bonus (  ) =…

Q: 7. (6) A study conducted at a certain college shows that 54% of the school's graduates find a job in…

A: Probability of the school's graduates =p=54% n=sample size=9

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A: Here we are asked to draw the curves for distributions for various conditions.Please note that,Me -…

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A: Consider the given histogram:

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A: Descriptive statistics provides a summary of the features of the data.

Q: 9. You are conducting an experiment on the effectiveness of a reading intervention with young…

A: No intervention : N = 15{ 18,16,17,15,16,14,22,21,7,24,23,19,12,20,23 } Intervention : N=15{…

Q: A data set with whole numbers has a low value of 20 and a high value of 89.

A: Lower value=20, High value=89

Q: Derive the least squares the estimator of Bo for model Y₁ = P + Ei regression

A: Yi=βo+ϵi

Q: Information about a sample is given. Assume that the sampling distribution is symmetric and…

A: r= 0.33se = 0.05

Q: For each statement, indicate whether the researchers are implying causation or just indicating…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A: Given:Confidence level = 90%

Q: why e is incorrect？

A: We have given that under the least squares assumptions for the multiple regression problem (zero…

Q: The data below represents the number of classes students have take at MSJC for our class. 15 7 3…

A: The data below represents the number of classes students have take at MSJC for our class:…

Q: What effect does the margin of error have on the confidence interval? Check all that apply. Changing…

A: Formula for Margin of errorE=Zcrit×σn

Q: (6) A study conducted at a certain college shows that 54% of the scho chosen field within a year…

A: N= 9P = 0.54