Find the mean of the frequency distribution of the gas mileage (in miles per gallon) for 30 small cars. Round your answer to 3 decimal places. Gas Mileage (in mpg) Frequency 24 - 28 10 29 - 33 12 34 - 38 6 39 - 43 2

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A: Given that  Sample size n =8 Population mean μ =3.57

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A: Given that  Sample sizes n1=51 , n2=54 Standard deviation s1=5 , n2=13

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Q: In 2003, an organization surveyed 1,508 adult Americans and asked about a certain war, "Do you…

A: given data year 2003 n1 = 1508    x1 = 1085p^1 = x1n1 = 10851508 = 0.7195year 2008 n2 = 1508    x2 =…

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A: It is given that  p = 70% = 0.70 n = 90

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A: From the provided information, The regression results are as follow: y = ax + b a = -1.093 b = 38.49…

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A: Given:

Q: vestigated the respondents' party affiliations based on what region they lived in. Test an…

A: Solution: The observed frequency table is    D R I Row Total  West 37 19 10 66 North 15 31 11…

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A: 95% ci for μ1-μ2 : (-1.76,-1.62)we have to give conclusion based on this ci.

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A: From the provided information, n1=309x1=99n2=227x2=87α=0.05

Q: tobs O Report all values (except p-values) to TWO decimal places. SE Difference p-value 0.73 D 3…

A: The data were as follows: Animal Distress: 8, 6, 7, 8, 5, 9 Human Distress: 3, 2, 4, 1, 2, 2 From…

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A: Given  Population mean μ=5

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Q: . The test statistic 1. The p-value = -. The p-value is ≤ ✓ 08 α = (please show your answer to 3…

A: Given that  Sample size n1=49 , n2=43 Sample means x1=25 , x2=30

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Q: Steel rods are manufactured with a mean length of 29 centimeter (cm). Because of variability in the…

A: given data normal distributionμ = 29σ = 0.08

Q: A simple random sample of size n = 37 is obtained from a population that is skewed left with μ = 45…

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Q: What percent of babies have a head circumference greater than 14 inches?

A:

Q: Note: Solve the following problems. Show all solutions. Round off final answers to 3 decimal places.…

A: Given that.   X~N( μ , ?)   μ=280     , ?=60   Z-score =( x - μ )/?

Q: In a recent year, 11th grade New York public school students taking an English test produced test…

A: The mean is 84 and standard deviation is 7.2.

Q: Quality 78 77 73 71 68 65 64 62 62 59 55 D Cost 26 29 36 23 21 10 26 23 12 10 21 Click the icon to…

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Q: Why is it not recommended to use a polynomial function for curve fitting when it produces a higher…

A: Please find the explanation below. Thank you.