Find the Geometric mean from the following frequency distribution of the marks: Marks No. of students Marks No. of students 4-8 24-28 12 8-12 10 28-32 10 12-16 18 32-36 16-20 30 36-40 2 20-24 15

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A: Expected value: E(x) = 210(1/38) + (-6)37/38= (210-222)/38 = -12/38 = -$0.3158  

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A: Solution: n= 10 Sample size  ∑di=-0.2d = ∑din=-0.210=-0.02  Difference of sample mean ∑(di-d)2=0.007...

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Q: What is the value of bo? A. 0.1486 B. -0.3462 C. 0.1467 D. -0.1730 • Find the predicted tip for a di...

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Q: b) The following table shows the time students from a college took to complete a marathon. Time (min...

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Q: Suppose 500 people in the sample of 1,007 adults were women. Gallup asked these 500 women. "What is ...

A: Sample = 1007 Women = 500 35% = 175 says swimming.  

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A: Solution: Given information: Number of classes = 10  Maximum value in the data is 120 Minimum value ...

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A: Given: Values of the earth's density: no x 1 5.39 2 5.26 3 5.55 4 5.68 5 5.53 6 5.57...

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Q: For the hypothesis test, H0 : β = β0 vs. H1: β does not equal β1, suppose a valid likelihood ratio t...

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Q: let z be the standard normal random variable. 2 Find  P(z < 1.24)       a 0.9371   b 0.8925   c 0.8...

A: Given that  Z be the standard normal random variable  Find P(z&lt;1.24)=

Q: Here is a data set (n 100) that has been sorted. 11.7 15.8 16.2 17.4 18.2 20 21.5 21.9 22.3 23 23.5 ...

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